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OpenStudy (anonymous):
Simplify your answer (3x+5)(7x^2+7x+4)
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OpenStudy (anonymous):
\[(3x+5)(7x^2+7x+4)=\] \[(21x^3+21x^2+12x+35x^2+35x+20)=\] \[21x^3+21x^2+35x^2+12x+35x+20=\] \[21x^3+56x^2+47x+20\]
OpenStudy (anonymous):
your answer is wrong...it says to simplify...what is the answer?????????????
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