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OpenStudy (anonymous):
what is the sum of the polynomials 3a2b+2a2b2 and -ab2+a2b2
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OpenStudy (anonymous):
\[3a ^{2}b+2a ^{2} b ^{2} +(-ab ^{2}+a ^{2} b ^{2})\]
OpenStudy (anonymous):
\[= ab(3a+2ab-b+ab)\]
OpenStudy (anonymous):
2ab+ab = 3ab
OpenStudy (anonymous):
so it is ab(3a-b+3ab)
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