Answer :

cams
The answer would be 3a^3+a^2

Remember to collect like terms.
Lemony
(6a4 + 2a3) ÷ 2a
8a7
÷ 2a
4a7

Answer: 4a7

First you combine the like terms to get 8a7. Then divide that by 2a which gives you 4a7