algebra
posted by billy .
Is (x+y)2 equal to (x2+y2)? Explain why or why not using an example to support your answer.

algebra 
Steve
well, 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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