Khan Academy
Khan Academy: Difference of Squares Intro
Factor quadratic expressions into the special products of the general form (x+a)(x-a). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Difference of Squares
Factor quadratic expressions of the general difference of squares form. The factored expressions have the general form (ax+b)(ax-b). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Khan Academy
Khan Academy: Factor Polynomials: Common Factor
Practice factoring polynomials with a common factor.