Answer:
5p^2+5q^2-3pq^2
Step-by-step explanation:
3q^2+4p^2-2pq^2-(2pq^2-3p^2)
3q^2+4p^2-2pq^2-2pq^2+3p^2
7p^2+3q^2-4pq^2+(pq^2-5p^2+q^2+3p^2+q^2)
7p^2+3q^2-4pq^2+pq^2-2p^2+2q^2
Answer:36
