Question

How do you simplify `(70a^2b^3 + 45a^3b^2 + 20ab)/(-5ab)`?

Answer 1

`(70a^2b^3+45a^3b^2+20ab)/(-5ab)=ab(-9a-14b)-4`

Explanation:

`"given : "(70a^2b^3+45a^3b^2+20ab)/(-5ab)`

`=(cancel(5ab)(14ab^2+9a^2b+4))/(-cancel(5ab))=-(14ab^2+9a^2b+4)`

`=-9a^2b-14ab^2-4=ab(-9a-14b)-4`