Khan Academy

Intro to grouping (K-A)

More examples of factoring quadratics as (x+a)(x+b) (K-A)

Factoring difference of squares: leading coefficient ≠ 1 (K-A)

Factoring difference of squares: two variables (example 2) (K-A)

Factoring difference of squares: two variables (K-A)

Factoring perfect squares (K-A)

Factoring perfect squares: 4th degree polynomial (K-A)

Factoring perfect squares: negative common factor (K-A)

Finding zeros of polynomials (1 of 2) (K-A)

Finding zeros of polynomials (2 of 2) (K-A)

Finding zeros of polynomials (example 2) (K-A)

Graphs of polynomials-link (K-A)

Graphs of polynomials: Challenge problems-link (K-A)

Even/odd functions & numbers (K-A)

Graphical symmetry of functions (K-A)

Intro to function symmetry (K-A)

Intro to symmetry of functions (K-A)

Complex numbers & sum of squares factorization (K-A)

Factoring sum of squares (K-A)

Analyzing polynomial identities (K-A)

Solving quadratic equations: complex roots (K-A)

Even & odd polynomials (K-A)

Symmetry of polynomials (K-A)

Expanding binomials (K-A)

Expanding binomials w/o Pascal's triangle (K-A)