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April 19, 2015

April 19, 2015

Posted by **Shay** on Tuesday, July 26, 2011 at 4:07pm.

- algebra -
**PsyDAG**, Wednesday, July 27, 2011 at 10:56amFind two factors that multiply to get the end terms and add to the value of the center term. Since the center term is negative and the right term is positive, both of the second term factors must be negative.

(4a-5b)^2

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