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OpenStudy (anonymous):
. Is (x+y)2 equal to (x2+y2)? Explain why or why not using an example to support your answer.
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OpenStudy (helder_edwin):
if x=y=2 then (x+y)^2=4^2=16 but x^2+y^2=2^2+2^2=4+4=8
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