(3a^4b+4ab^3)+(5ab^3-3a^4b

Answer 1

are you factoring? we are doing that right now if you need help

Answer 2

3a^4b+4ab^3+5ab^3-3a^4b

Combine like terms.

3a^4b-3a^4b = 0

4ab^3+5ab^3 = ?