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October 28, 2016
Posted by **Veronica** on Wednesday, March 14, 2012 at 8:10pm.

for example

2x^2-x-5

- math-factoring -
**Reiny**, Wednesday, March 14, 2012 at 8:26pmSal Khan does a good job to work through one of your kind of problems

http://www.khanacademy.org/math/algebra/polynomials/v/factoring-trinomials-with-a-non-1-leading-coefficient-by-grouping