Website Resource's Factoring
Factoring Out a Greatest Common Factor (GCF)
The Idea Behind Factoring Trinomials by Grouping (YouTube)
Examples: Factoring Trinomials by Grouping (YouTube)
Factoring a Difference of Two Squares (YouTube)
Factoring Perfect Square Trinomials
Solving Quadratic Equations by Factoring
Material on factoring
http://teachers.henrico.k12.va.us/math/hcpsalgebra1/module8-1.html