Question

Simplify the sum. (4u^3 + 6u^2 + 7) + (6u^3 – 2u + 7)

14 – 2u + 6u^2+ 10u^3
10u^3 + 6u^2 – 2u + 14
–2u^3 – 2u^2 + 6u – 14
–2u^3 + 6u^2 – 2u + 14
are the answer choices.

Answer 1

Add 4u^3+6u^3, that will give you 10u^3 so you know its A or B

Answer 2

A and B are the same

Answer 3

Thanks.