What is the sum of the polynomials 3a2b + 2a2b2 and -ab2 + a2b2

Mathematics
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What is the sum of the polynomials 3a2b + 2a2b2 and -ab2 + a2b2

Aug 18th, 2015

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3a2b + 2a2b2 and -ab2 + a2b2

group the like terms

=3a^2b-ab^2+(2a^2b^2+a^2b^2)

=3a^b-ab^2+3a^2b^2

let ab be the common factor, then simplify as below

=ab(3a-b+3ab)

Please let me know if you need any clarification. I'm always happy to answer your questions.
Aug 18th, 2015

1.What is the sum of the polynomials 3a2b + 2a2b2 and -ab2 + a2b2
 3a2b - ab2 + 3a2b2
 3a2b - ab2 + 2a2b2
 2a2b + 3a2b2
 2a23 + 2a4b4
 -3a33 + 2a4b
these are my multiple choice answer options

Aug 18th, 2015
 3a^b-ab^2+3a^2b^2


Aug 18th, 2015

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