Factor this expression. check by multiplying factors. 3ab+a+3b^2+b
whats the answer

The solution to the problem is as follows:

you have"a" as common so, you can write it as: a(3b+1) +3b^2 + b. from the remaining two terms, you have b common, so write it as a(3b+1) +b(3b+1).

This gives you (a+b)(3b+1)

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Ithink if im not mistaking b is -3 but im not a 100% sude