https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:sqrt-eq/v/extraneous-solutions-to-radical-equations 2021-06-30T17:32:38Z Intro to square-root equations & extraneous solutions Sal explains what square-root equations are, and shows an example of solving such an equation and checking for extraneous solutions. Sal Khan video https://cdn.kastatic.org/googleusercontent/4NmBEj6_p3034lvyyDoYmLmZaVzytThd40nxvo0FwZwtZxeL4xdpPhLIB1T9ky6WhmrX3yYRWxI3OfpbPQOXQZo Intro to square-root equations & extraneous solutions Sal explains what square-root equations are, and shows an example of solving such an equation and checking for extraneous solutions. https://cdn.kastatic.org/ka-youtube-converted/711pdW8TbbY.mp4/711pdW8TbbY.mp4 670 Square-root equations https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:sqrt-eq/v/extraneous-solutions-of-radical-equations 2021-06-30T17:32:36Z Square-root equations intro Sal gives an example of how an extraneous solution arises when solving 2x-1=√(8-x). video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Square-root equations intro Sal gives an example of how an extraneous solution arises when solving 2x-1=√(8-x). https://cdn.kastatic.org/ka-youtube-converted/m4eiYHL3PP8.mp4/m4eiYHL3PP8.mp4 323 Square-root equations https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:sqrt-eq/a/solve-square-root-equations-basic-examples 2021-06-30T17:32:37Z Intro to solving square-root equations Practice some problems before going into the exercise. article https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:sqrt-eq/e/solve-square-root-equations-basic 2021-08-05T16:56:59.817978281Z Square-root equations intro Solve square-root equations by taking the square of both sides. Tomer Gal exercise https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:sqrt-eq/a/solving-square-root-equations-advanced 2021-06-30T17:32:36Z Solving square-root equations Practice some problems before going into the exercise. article https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:sqrt-eq/v/solving-radical-equations 2021-06-30T17:32:34Z Solving square-root equations: one solution Sal solves the equation 3+√(5x+6)=12. Sal Khan video https://cdn.kastatic.org/googleusercontent/gTc944zDu84Jbp2KEqA3qK3RAJaShs-iFqdyINQWtsRVzMydGoGCxRMV0J-42lOD0Kg8UJffZKhiX3xho_QK3_iY Solving square-root equations: one solution Sal solves the equation 3+√(5x+6)=12. https://cdn.kastatic.org/ka-youtube-converted/pFFoAGIEyJc.mp4/pFFoAGIEyJc.mp4 191 Square-root equations https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:sqrt-eq/v/solving-square-root-equations-w-two-solutions 2022-10-06T23:23:50.639907812Z Solving square-root equations: two solutions Sal solves the equation 6+3w=√(2w+12)+2w which has two solutions. video https://cdn.kastatic.org/ka_thumbnails_cache/fe6f3b2a-1ba0-4a8f-be38-6796f06e954d_1280_720_base.png Solving square-root equations: two solutions Sal solves the equation 6+3w=√(2w+12)+2w which has two solutions. https://cdn.kastatic.org/ka-youtube-converted/wt6XqG59t5U.mp4/wt6XqG59t5U.mp4 329 Square-root equations https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:sqrt-eq/v/solving-square-root-equations-w-no-solution 2022-10-06T23:23:50.639907812Z Solving square-root equations: no solution Sal solves the equation √(3x-7)+√(2x-1)=0, only to find out that the single solution is extraneous, which means the equation has no solution. video https://cdn.kastatic.org/ka_thumbnails_cache/111ff693-f343-4a1e-ad49-d30ad0f2dba6_1280_720_base.png Solving square-root equations: no solution Sal solves the equation √(3x-7)+√(2x-1)=0, only to find out that the single solution is extraneous, which means the equation has no solution. https://cdn.kastatic.org/ka-youtube-converted/ibeyn2QGjCM.mp4/ibeyn2QGjCM.mp4 239 Square-root equations https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:sqrt-eq/e/solve-square-root-equations-advanced 2021-08-05T16:56:59.817978281Z Square-root equations Solve square-root equations by first arranging them and then taking the square of both sides. Tomer Gal exercise