https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:multiply-monomial-polynomial/v/polynomials-intro 2025-10-15T19:00:54.271698668Z Polynomials intro This introduction to polynomials covers common terminology like terms, degree, standard form, monomial, binomial and trinomial. Polynomials are sums of terms of the form k⋅xⁿ, where k is any number and n is a non-negative integer. For example, 3x+2x-5 is a polynomial.  1. Hello Fren video https://cdn.kastatic.org/ka_thumbnails_cache/91aa542f-c981-4cbf-a28f-1ed4953978dc_1280_720_base.png Polynomials intro This introduction to polynomials covers common terminology like terms, degree, standard form, monomial, binomial and trinomial. Polynomials are sums of terms of the form k⋅xⁿ, where k is any number and n is a non-negative integer. For example, 3x+2x-5 is a polynomial.  https://cdn.kastatic.org/ka-youtube-converted/Vm7H0VTlIco.mp4/Vm7H0VTlIco.mp4 648 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:multiply-monomial-polynomial/e/polynomials-intro 2025-10-28T06:00:53.736957809Z Polynomials intro Review your knowledge of basic terminology for polynomials: degree of a polynomial, leading term/coefficient, standard form, etc. Tomer Gal exercise https://www.khanacademy.org/math/grade-6-math-cambridge/x1977d7ef0ed7ac14:algebra/x1977d7ef0ed7ac14:polynomials/e/types-of-polynomial-1 2025-12-30T07:05:15.972746521Z Classify polynomials based on degree Classify polynomials based on degree ashish exercise https://www.khanacademy.org/math/grade-6-math-cambridge/x1977d7ef0ed7ac14:algebra/x1977d7ef0ed7ac14:polynomials/e/terms-of-a-polynomial 2026-02-26T15:40:49.311158104Z Finding terms and coefficients of a polynomial Finding terms and coefficients of a polynomial ashish exercise https://www.khanacademy.org/math/grade-6-math-cambridge/x1977d7ef0ed7ac14:algebra/x1977d7ef0ed7ac14:polynomials/e/types-of-polynomial-2 2026-02-26T15:40:49.311158104Z Classify polynomials based on terms Classify polynomials based on terms ashish exercise https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:expressions-using-letter-numbers/x063f95a40c290960:simplification-of-algebraic-expression-part-1/e/algebraic-expressions-6-b 2025-02-10T11:15:42.866710478Z Like and unlike terms Algebraic expressions ashish exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:poly-add-sub/v/adding-and-subtracting-polynomials-1 2023-08-11T17:38:48.446343948Z Adding polynomials Learn how to simplify polynomials by combining like terms! Discover the power of adding and subtracting terms with the same degree of x. Uncover the magic of removing parentheses and grouping similar terms together to simplify complex expressions. Master the art of polynomial simplification! Sal Khan video https://cdn.kastatic.org/googleusercontent/P52_7TkuPy7FOhq7-OePwtVYkcBA9-pAdD1w7Uvek40918VCfTIlt6TgXnQzEE4212lDDjIebIeAbdfvLzdkO0lq Adding polynomials Learn how to simplify polynomials by combining like terms! Discover the power of adding and subtracting terms with the same degree of x. Uncover the magic of removing parentheses and grouping similar terms together to simplify complex expressions. Master the art of polynomial simplification! https://cdn.kastatic.org/ka-youtube-converted/ahdKdxsTj8E.mp4/ahdKdxsTj8E.mp4 121 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:poly-add-sub/e/adding_and_subtracting_polynomials 2024-05-02T20:40:27.893470044Z Add polynomials (intro) Example: Add (2x²-3) and (7x³-4x+1). Tomer Gal exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:poly-add-sub/v/subtracting-polynomials 2023-08-11T17:38:48.446343948Z Subtracting polynomials Master the art of adding and subtracting polynomials! Learn how to distribute negative signs across terms, combine like terms, and simplify expressions. This skill is key to understanding algebra and making math easier. Sal Khan video https://cdn.kastatic.org/googleusercontent/PGR9Z2IOnfKh7MWus7JU-aNIEKgaRIVq3fXAoZAK1UYQVq8sSroW476cJgoMTZFxYm-113UG20-1qy96K_DMxks Subtracting polynomials Master the art of adding and subtracting polynomials! Learn how to distribute negative signs across terms, combine like terms, and simplify expressions. This skill is key to understanding algebra and making math easier. https://cdn.kastatic.org/ka-youtube-converted/5ZdxnFspyP8.mp4/5ZdxnFspyP8.mp4 127 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:poly-add-sub/v/subtracting-polynomials-and-closure 2025-12-05T04:50:40.646965311Z Polynomial subtraction Learn how to subtract polynomials. Discover how distributing a negative sign changes the signs of all terms in a polynomial. Understand that when you subtract polynomials, you still get a polynomial, showing that the set of polynomials is 'closed' under subtraction. video https://cdn.kastatic.org/ka_thumbnails_cache/c4563f26-596b-4259-87df-b2c60eaf80ea_1280_720_base.png Polynomial subtraction Learn how to subtract polynomials. Discover how distributing a negative sign changes the signs of all terms in a polynomial. Understand that when you subtract polynomials, you still get a polynomial, showing that the set of polynomials is 'closed' under subtraction. https://cdn.kastatic.org/ka-youtube-converted/xgoqcc2-RS4.mp4/xgoqcc2-RS4.mp4 170 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:poly-add-sub/e/subtract-polynomials 2025-06-26T20:46:37.500606524Z Subtract polynomials (intro) Example: Evaluate (4x²-3) - (3x³-3x+2). Tomer Gal exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:mono-by-poly/v/multiply-monomials-intro 2023-08-11T17:38:48.446343948Z Multiplying monomials Learn how to multiply monomials like a pro! Discover how to multiply numbers and variables separately, then combine them for the final answer. Explore how exponent properties come into play when multiplying variables. Dive into examples with different variables for variety. video https://cdn.kastatic.org/ka_thumbnails_cache/5bbc3cb7-ec07-4772-bb7d-ed56cfeaa9e1_1280_720_base.png Multiplying monomials Learn how to multiply monomials like a pro! Discover how to multiply numbers and variables separately, then combine them for the final answer. Explore how exponent properties come into play when multiplying variables. Dive into examples with different variables for variety. https://cdn.kastatic.org/ka-youtube-converted/7EplN4Ch98Q.mp4/7EplN4Ch98Q.mp4 196 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:mono-by-poly/e/finding-the-product-of-two-monomials 2025-01-22T07:22:50.02175738Z Multiply monomials Express the product of two monomial expressions as a single monomial Tomer Gal exercise https://www.khanacademy.org/math/algebra-home/alg-polynomials/alg-multiplying-monomials/v/missing-values-in-monomial-multiplication 2022-10-07T01:44:59.407126867Z Multiplying monomials challenge Sal finds the values of coefficients a and b that make (3x^a)(bx^4)=-24x^6 true for all x-values. video https://cdn.kastatic.org/ka_thumbnails_cache/c3a20d36-9b53-4593-8455-fbafa2baabd5_1280_720_base.png Multiplying monomials challenge Sal finds the values of coefficients a and b that make (3x^a)(bx^4)=-24x^6 true for all x-values. https://cdn.kastatic.org/ka-youtube-converted/mzULbezO6iA.mp4/mzULbezO6iA.mp4 212 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra-home/alg-polynomials/alg-multiplying-monomials/e/multiply-monomials-challenge 2026-01-21T14:10:46.416761336Z Multiply monomials (advanced) More challenging multiplying monomial problems like find the area or find missing values to make an equation true. Tomer Gal exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:mono-by-poly/v/multiplying-monomials-by-polynomials 2023-08-11T17:55:55.170540272Z Multiplying monomials by polynomials Discover how to multiply monomials by polynomials using the distributive property. Learn to simplify expressions by multiplying coefficients and adding exponents. Get a handle on negative terms and see how they affect the final result. It's all about breaking down complex problems into simpler steps! Sal Khan video https://cdn.kastatic.org/googleusercontent/36lIyUQRFUt_s7RG9QyVMHhVvipyJ0bxeT77Fgf9KIkaSTjCkOrXGOad8iecfZoqJOPQh5MazVHHf9RIa66Rp3-8 Multiplying monomials by polynomials Discover how to multiply monomials by polynomials using the distributive property. Learn to simplify expressions by multiplying coefficients and adding exponents. Get a handle on negative terms and see how they affect the final result. It's all about breaking down complex problems into simpler steps! https://cdn.kastatic.org/ka-youtube-converted/pD2-H15ucNE.mp4/pD2-H15ucNE.mp4 163 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:mono-by-poly/e/finding-the-product-of-a-monomial-and-a-polynomial 2025-01-22T07:22:50.02175738Z Multiply monomials by polynomials Use the distributive property to express the product of a monomial and a polynomial as a single polynomial. Tomer Gal exercise https://www.khanacademy.org/math/algebra-home/alg-polynomials/alg-multiplying-polynomials-by-monomials/v/missing-values-in-monomial-polynomial-multiplication 2022-10-07T01:44:59.407126867Z Multiplying monomials by polynomials challenge Sal finds the values of coefficients c, d, and f that make -2y(y²+cy-3)=dy³+12y²+fy true for all y-values. video https://cdn.kastatic.org/ka_thumbnails_cache/1c61fd58-9f47-4010-8c33-0e2268394701_1280_720_base.png Multiplying monomials by polynomials challenge Sal finds the values of coefficients c, d, and f that make -2y(y²+cy-3)=dy³+12y²+fy true for all y-values. https://cdn.kastatic.org/ka-youtube-converted/NADPP4wlo1Q.mp4/NADPP4wlo1Q.mp4 258 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra-home/alg-polynomials/alg-multiplying-polynomials-by-monomials/e/multiply-monomials-by-polynomials-challenge 2026-01-21T14:10:46.416761336Z Multiply monomials by polynomials challenge Example: Find the values of the variables to make the following equation true -11(y²-cy+2) = dy²+33y-f. Tomer Gal exercise https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:multiply-binomial/v/multiplying-simple-binomials 2022-10-06T23:01:00.745424633Z Multiplying binomials intro Sal expresses (x-4)(x+7) as the standard trinomial x²+3x-28 and discusses how the general product (x+a)(x+b) can be written as x²+(a+b)x+a*b. video https://cdn.kastatic.org/ka_thumbnails_cache/e3c9b896-8877-424f-a62d-497aea62ae28_1280_720_base.png Multiplying binomials intro Sal expresses (x-4)(x+7) as the standard trinomial x²+3x-28 and discusses how the general product (x+a)(x+b) can be written as x²+(a+b)x+a*b. https://cdn.kastatic.org/ka-youtube-converted/Xy8NKUoyy98.mp4/Xy8NKUoyy98.mp4 287 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:multiply-binomial/e/multiplying_expressions_0.5 2025-01-22T07:22:50.02175738Z Multiply binomials intro Use the distributive property to express the product of two binomials as a single polynomial. Tomer Gal exercise https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:multiply-binomial/e/multiply-binomials-coefficient 2025-10-28T06:00:53.736957809Z Multiply binomials Multiply binomials of the form (ax + b). Tomer Gal exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:bi-by-poly/v/more-multiplying-polynomials 2023-08-11T17:55:55.170540272Z Multiplying binomials by polynomials Learn how to multiply binomials by polynomials with ease! This lesson breaks down the process into simple steps, using the distributive property to multiply each term. You'll master combining like terms to simplify expressions, turning complex polynomials into manageable math. Sal Khan video https://cdn.kastatic.org/googleusercontent/-vqKGSIU2_MMrZbCJRCpUc3sgXdZdyFk66IiUfWpj1v8DywwEjo_KruXqUU2DuRpHI_abovz2fqCg5zbvN068EDCug Multiplying binomials by polynomials Learn how to multiply binomials by polynomials with ease! This lesson breaks down the process into simple steps, using the distributive property to multiply each term. You'll master combining like terms to simplify expressions, turning complex polynomials into manageable math. https://cdn.kastatic.org/ka-youtube-converted/D6mivA_8L8U.mp4/D6mivA_8L8U.mp4 154 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:bi-by-poly/e/multiplying_polynomials 2025-02-24T10:20:15.41527473Z Multiply binomials by polynomials Use the distributive property to express the product of a binomial and a polynomial as a single polynomial. Tomer Gal exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-div/x2ec2f6f830c9fb89:poly-div-by-x/v/dividing-polynomials-by-x 2023-09-22T17:55:38.713124768Z Dividing polynomials by x (no remainders) Discover how to divide polynomials by 'x' in two different ways. Finding the quotient (x⁴-2x³+5x)/x is the same as asking "what should we multiply by x to get x⁴-2x³+5x?" First, we distribute '1/x' to each term in the polynomial. Second, we factor out an 'x' from each term. Both methods simplify complex expressions, video https://cdn.kastatic.org/ka_thumbnails_cache/20bca57e-7ef1-47b0-b6fd-43122400ad95_1280_720_base.png Dividing polynomials by x (no remainders) Discover how to divide polynomials by 'x' in two different ways. Finding the quotient (x⁴-2x³+5x)/x is the same as asking "what should we multiply by x to get x⁴-2x³+5x?" First, we distribute '1/x' to each term in the polynomial. Second, we factor out an 'x' from each term. Both methods simplify complex expressions, https://cdn.kastatic.org/ka-youtube-converted/HUdA6LdCRk8.mp4/HUdA6LdCRk8.mp4 269 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-div/x2ec2f6f830c9fb89:poly-div-by-x/e/poly-by-x-no-remainders 2021-07-19T21:05:46.382456182Z Divide polynomials by x (no remainders) Divide polynomials by x, where the polynomial is divisible by x, so the result is also a polynomial (no remainder). Tomer Gal exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-div/x2ec2f6f830c9fb89:poly-div-by-x/v/polynomial-divided-by-monomial 2023-09-22T17:55:38.713124768Z Divide polynomials by x (with remainders) Learn how to simplify complex expressions by dividing polynomials by 'x'. Discover how to break down the numerator, distribute the division, and use exponent properties. Master the art of simplifying fractions and handling negative exponents. Sal demonstrates by dividing (18x^4-3x^2+6x-4) by 6x. Sal Khan video https://cdn.kastatic.org/googleusercontent/FcLH3B5W9yl5YpqzmJuJYeSl4Ar6aDjlIPhcJz4MhXIA4zm4A9XipjBDkurBQgJE2FKFZk0QW9QFmnm51LhEx3lB Divide polynomials by x (with remainders) Learn how to simplify complex expressions by dividing polynomials by 'x'. Discover how to break down the numerator, distribute the division, and use exponent properties. Master the art of simplifying fractions and handling negative exponents. Sal demonstrates by dividing (18x^4-3x^2+6x-4) by 6x. https://cdn.kastatic.org/ka-youtube-converted/UquFdMg6Z_U.mp4/UquFdMg6Z_U.mp4 285 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-div/x2ec2f6f830c9fb89:poly-div-by-x/e/poly-by-x-remainders 2021-08-12T16:00:39.880213098Z Divide polynomials by x (with remainders) Divide polynomials by x, where the polynomial isn't divisible by x, so the result has a remainder. Tomer Gal exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-div/x2ec2f6f830c9fb89:quad-div-by-linear/v/polynomial-division 2023-09-22T17:55:38.713124768Z Intro to long division of polynomials Learn how to divide polynomials, also known as algebraic long division. This video starts with simple examples and gradually moves to more complex ones, demonstrating how to divide quadratics by linear factors. The process involves looking at the highest degree terms, dividing, and subtracting to simplify expressions. Sal Khan video https://cdn.kastatic.org/googleusercontent/Vqk8g0pnwm8Ig0Wfd9xBjdbWH0Ibe7-bwqiE0z1B-YgqMlRIO6FGmFBpLgaDHHeDEtbTA190EQeWMkJiYXhEqHc Intro to long division of polynomials Learn how to divide polynomials, also known as algebraic long division. This video starts with simple examples and gradually moves to more complex ones, demonstrating how to divide quadratics by linear factors. The process involves looking at the highest degree terms, dividing, and subtracting to simplify expressions. https://cdn.kastatic.org/ka-youtube-converted/FXgV9ySNusc.mp4/FXgV9ySNusc.mp4 729 Algebraic Expressions and Identities https://www.khanacademy.org/math/grade-8-math-snc-aligned/x4383bdbca3d6abf7:algebraic-expansion-and-factorization/x4383bdbca3d6abf7:operations-on-polynomials/e/long-division-method 2025-05-22T15:16:12.691169048Z Long division method Long division method Ashish Gupta exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-factor/x2ec2f6f830c9fb89:poly-identities/v/polynomial-identities-intro 2023-09-22T17:29:21.127742448Z Polynomial identities introduction Polynomial identities are equal expressions involving polynomials. We can prove these identities through algebraic manipulation, like expanding and simplifying. This helps us see if two expressions are the same for all values of a variable, making them true polynomial identities. video https://cdn.kastatic.org/googleusercontent/7LXJNw5Y6f-uLqaQZUBWh6dqpyjYuT8v7b29i3DddG-Zc1Z2QFID190vWqMGJ3dWjYaGGk0MfpSycWBFAF9rA8S4 Polynomial identities introduction Polynomial identities are equal expressions involving polynomials. We can prove these identities through algebraic manipulation, like expanding and simplifying. This helps us see if two expressions are the same for all values of a variable, making them true polynomial identities. https://cdn.kastatic.org/ka-youtube-converted/EvNKKyhLSpQ.mp4/EvNKKyhLSpQ.mp4 296 Algebraic Expressions and Identities https://www.khanacademy.org/math/revision-term-1-up-math-class-7/x626965769808ea32:week-2/x626965769808ea32:product-of-expressions-and-equations/e/product-of-expressions-and-identities-8-d 2025-02-13T04:57:25.728250847Z Verify if an expression is an identity Product of expressions and identities ashish exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-factor/x2ec2f6f830c9fb89:poly-identities/e/polynomial-identities 2021-07-29T22:44:48.94944018Z Polynomial identities Determine whether given polynomial identities are true, and whether given proofs of such identities are valid. Tomer Gal exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:poly-arithmetic/x2ec2f6f830c9fb89:special-products/v/poly-perfect-square 2023-08-11T18:51:22.662895381Z Polynomial special products: perfect square Squaring binomials is a breeze when you recognize patterns! The perfect square pattern tells us that (a+b)²=a²+2ab+b². The video shows how to square more complex binomials. It's all about applying what we know about simple binomials to these trickier ones. video https://cdn.kastatic.org/googleusercontent/fwvIcAKfXC0Jz1yNp8JUTy_2aGB9vdAL9-BNWssjKvrm3gwG2MHkvfyRPsgBDHdxM5yi5d5yWl5tRc7_WG-0Q1DT Polynomial special products: perfect square Squaring binomials is a breeze when you recognize patterns! The perfect square pattern tells us that (a+b)²=a²+2ab+b². The video shows how to square more complex binomials. It's all about applying what we know about simple binomials to these trickier ones. https://cdn.kastatic.org/ka-youtube-converted/hw5DE8HSZk0.mp4/hw5DE8HSZk0.mp4 310 Algebraic Expressions and Identities https://www.khanacademy.org/math/grade-8-math-snc-aligned/x4383bdbca3d6abf7:algebraic-expansion-and-factorization/x4383bdbca3d6abf7:expansion-using-algebraic-identities/e/product-of-expressions-and-identities-8-e 2025-02-10T10:02:41.477904061Z Application of (a+b)² identity Product of expressions and identities ashish exercise https://www.khanacademy.org/math/grade-8-math-snc-aligned/x4383bdbca3d6abf7:algebraic-expansion-and-factorization/x4383bdbca3d6abf7:expansion-using-algebraic-identities/e/product-of-expressions-and-identities-8-f 2025-02-13T04:57:25.728250847Z Application of (a-b)² identity Product of expressions and identities ashish exercise https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:factor-difference-squares/v/difference-of-squares-intro 2022-10-06T23:01:00.745424633Z Difference of squares intro When an expression can be viewed as the difference of two perfect squares, i.e. a²-b², then we can factor it as (a+b)(a-b). For example, x²-25 can be factored as (x+5)(x-5). This method is based on the pattern (a+b)(a-b)=a²-b², which can be verified by expanding the parentheses in (a+b)(a-b). video https://cdn.kastatic.org/ka_thumbnails_cache/c52b1b59-e0b8-4b92-931b-13024c98d84f_1280_720_base.png Difference of squares intro When an expression can be viewed as the difference of two perfect squares, i.e. a²-b², then we can factor it as (a+b)(a-b). For example, x²-25 can be factored as (x+5)(x-5). This method is based on the pattern (a+b)(a-b)=a²-b², which can be verified by expanding the parentheses in (a+b)(a-b). https://cdn.kastatic.org/ka-youtube-converted/HLNSouzygw0.mp4/HLNSouzygw0.mp4 294 Algebraic Expressions and Identities https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:factor-difference-squares/e/factoring_difference_of_squares_2 2025-02-13T04:57:25.728250847Z Difference of squares Factor quadratic expressions of the general difference of squares form: (ax)^2-b^2. The factored expressions have the general form (ax+b)(ax-b). Tomer Gal exercise https://www.khanacademy.org/math/grade-8-math-snc-aligned/x4383bdbca3d6abf7:algebraic-expansion-and-factorization/x4383bdbca3d6abf7:expansion-using-algebraic-identities/e/product-of-expressions-and-identities-8-g 2025-02-13T04:57:25.728250847Z Application of (a+b)(a-b) identity Product of expressions and identities ashish exercise https://www.khanacademy.org/math/tg-math-class-9-bridge/x5c093f69f2aa4d76:algebraic-expressions/x5c093f69f2aa4d76:identities-and-their-applications/e/product-of-expressions-and-identities-8-h 2025-02-13T04:57:25.728250847Z Evaluating expressions using identities Product of expressions and identities ashish exercise https://www.khanacademy.org/math/tg-math-class-9-bridge/x5c093f69f2aa4d76:algebraic-expressions/x5c093f69f2aa4d76:identities-and-their-applications/v/x-a-x-b-related-identities 2025-07-22T06:45:07.890516179Z (x+a)(x+b) & related identities Master the essential algebraic identity (x+a)(x+b)! This video breaks down the formula step-by-step, from its origins in the distributive property to its final form. Learn how to apply it with clear examples, including algebraic expansions and a cool shortcut for mental math calculations. We also cover variations and a bonus challenge to test your skills! Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw (x+a)(x+b) & related identities Master the essential algebraic identity (x+a)(x+b)! This video breaks down the formula step-by-step, from its origins in the distributive property to its final form. Learn how to apply it with clear examples, including algebraic expansions and a cool shortcut for mental math calculations. We also cover variations and a bonus challenge to test your skills! https://cdn.kastatic.org/ka-youtube-converted/xaCqi1KGcdY.mp4/xaCqi1KGcdY.mp4 375 Algebraic Expressions and Identities https://www.khanacademy.org/math/revision-mh-math-class-8/x4e66a280e3e62582:week-1/x4e66a280e3e62582:expansion-formulae/v/application-of-a-b-c-2-and-related-identities 2025-07-22T10:08:47.702223687Z Application of (a+b+c)^2 and related identities In this video, we’ll break down the formula (a+b+c)2 and understand exactly where it comes from and why it works. Using clear visuals and simple logic, we’ll go through multiple examples to see how it’s applied. We’ll also explore interesting variations like (a+b−c)2 and more, so you get a complete grasp of these identities. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Application of (a+b+c)^2 and related identities In this video, we’ll break down the formula (a+b+c)2 and understand exactly where it comes from and why it works. Using clear visuals and simple logic, we’ll go through multiple examples to see how it’s applied. We’ll also explore interesting variations like (a+b−c)2 and more, so you get a complete grasp of these identities. https://cdn.kastatic.org/ka-youtube-converted/am3XeaQiJzQ.mp4/am3XeaQiJzQ.mp4 430 Algebraic Expressions and Identities https://www.khanacademy.org/math/revision-term-1-up-math-class-8/x6ba398efb9151cb1:week-2/x6ba398efb9151cb1:identities/e/identities-4-c 2025-07-22T10:08:47.702223687Z Applications of (a+b+c)² identity Identities ashish exercise