Each Student....Every Day
Factoring Quadratic Polynomials
https://www.khanacademy.org/math/algebra/polynomial-factorization/factoring-quadratics-1/v/factoring-quadratic-expressions
Factoring trinomials by grouping
http://www.youtube.com/watch?v=ApSxvgQe_Eo
http://www.youtube.com/watch?v=X7B_tH4O-_s