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April 20, 2014

April 20, 2014

Posted by **Scraffii** on Sunday, June 10, 2012 at 6:01am.

- Mathematics-please help quick!! -
**Henry**, Monday, June 11, 2012 at 5:22pm(x+y)^2 = 168

x^2 + 2xy + y^2 = 168

Replace xy with 4:

x^2 + 2*4 + y^2 = 168

x^2 + y^2 = 168 - 8 = 160.

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