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posted by ferrer on Tuesday, March 31, 2009 at 11:09am.
is this correct when combining like terms 17a^2b-16ab^2+3a^3+4ba^3-b^2a= 17a^2-17ab^2+7ba^3
I have a feeling you made a typo your answer is correct if the third term is 3ba^3
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