algebra
posted by lisa on .
Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c. Is there more than one way to factor this? Show your answer using both words and mathematical notation

Salman Khan does his usual excellent work here
http://www.youtube.com/watch?v=nOZTe8jU2g4
for x^2 + bx +c , and
http://www.khanacademy.org/math/algebra/polynomials/v/factoringtrinomialswithanon1leadingcoefficientbygrouping
for ax^2 + bx + c