Question

(Multiple choice/ Most Brainly will be rewarded)
Can I please have some help on this question.
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Answer 1

6a^5b-12a^3b^2
you want to multiply 3a^2 to each of the values inside the parentheses so it would be (3*2)(a^2*a^3)(b)-(3*4)(a^2*a)(b^2)
so (6)(a^2+3)(b)-(12)(a^2+1)(b^2)
and therefore the answer is 6a^5b-12a^3b^2