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December 20, 2014

December 20, 2014

Posted by **yelenaS** on Monday, December 7, 2009 at 2:12pm.

4a2 - 8a - 5

please help i don't get this at all!!!

- algebra -
**Reiny**, Monday, December 7, 2009 at 2:21pmAfter 2 "guesses" I got

(2a+1)(2a-5)

check it by expanding it

- algebra -
**MIGUEL**, Tuesday, February 22, 2011 at 9:42pmFactor completely and then place the factors in the proper location on the grid.

4a2 - 8a - 5

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