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October 1, 2014

October 1, 2014

Posted by **billy** on Sunday, March 9, 2014 at 8:32pm.

- algebra -
**Steve**, Monday, March 10, 2014 at 5:28amwell, is (2+3)^2 = 2^2+3^2 ?

Hint: (x+y)^2 = (x+y)(x+y)

expand that and compare to x^2+y^2

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