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Posted by on Tuesday, July 26, 2011 at 3:58pm.

is this correct?
Completely factor the following expression:
64y^2-49z^2
Is the answer: 128 y-49

  • math - , Wednesday, July 27, 2011 at 11:03am

    Find two factors that multiply to the end terms and add to the value of the center term (0).

    (8y+7z)(8y-7z)

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