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December 19, 2014

December 19, 2014

Posted by **keisha** on Friday, August 21, 2009 at 10:08pm.

x^2-y^2-5x+5y

- math (show me the working pls) -
**MathMate**, Friday, August 21, 2009 at 10:23pm(x^2-y^2)-(5x-5y)

=(x+y)(x-y)-5(x-y)

=(x+y-5)(x-y)

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