Multiplying and dividing rational expressions

3 videos
3 skills
Learn how to multiply and divide rational expressions. You will be surprised to see how similar it is to multiplying and dividing fractions!

Multiply and divide rational expressions with monomial numerators and denominators

PRACTICE PROBLEMS
Multiply or divide rational expressions whose numerators and denominators are monomials, and simplify the result.

How to multiply rational expressions with polynomial numerators and denominators (example)

VIDEO 4:52 minutes
Sal performs the following multiplication and simplifies the result: (a^2-4)/(a^2-1) X (a+1)/(a+2).

How to divide rational expressions with polynomial numerators and denominators (example)

VIDEO 4:10 minutes
Sal performs the following division and simplifies the result: (2p+6)/(p+5) ➗ (10)/(4p+20).

Multiply and divide rational expressions with polynomial numerators and denominators

PRACTICE PROBLEMS
Multiply or divide rational expressions whose numerators and denominators are polynomials, and simplify the result.

How to multiply rational expressions with multiple variables (example)

VIDEO 3:38 minutes
Sal performs the following multiplication and simplifies the result: (3x^2y)/(2ab) X (14a^2b)/(18xy^2).

Multiply and divide advanced rational expressions

PRACTICE PROBLEMS
Multiply or divide rational expressions whose numerators and denominators are high-order polynomials, or two-variable polynomials, and simplify the result.