Finally check your work by using F.O. I. L. to multiply your answer. It should become the trinomial we started with.

             (2x+1) (x+5) = 2x2+10x+1x+5 = 2x2+11x+5

So our factoring is correct.

 

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Created by: Dr. Marcia L. Tharp

On 3/21/01

Send comments to: tctharm@tc.cc.va.us