Question 76860
check out these lessons: 


<a href="http://www.algebra.com/algebra/homework/quadratic/lessons/Factoring-Trinomials-in-Living-Color.lesson">Factoring Trinomials in Living Color </a>

<a href="http://www.algebra.com/algebra/homework/quadratic/lessons/Factoring-Factoring-Factoring.lesson">Intermediate  Algebra: Factoring</a>

<a href="http://www.algebra.com/algebra/homework/quadratic/lessons/Factoring-College-Algebra-in-Living-Color.lesson"> Factoring-College-Algebra</a>

There are many more lessons on this site, and all over the web, that explains the factorization process.