Question

3a^3b^2(-a^3b-a^2b^2)=-3a^9b^3-3a^6b^4
*is this correct.?-

Remember to add exponents when multiplying with the same base.

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

-3a^6b^3 - 3a^5b^4

I hope this will help.