Question

( -2p^2q^2 + 3pq - 4 ) + (5 - 7 pq + 30^2q^2)

Answer 1

Answer:

after writing the given expressions in separate rows with like the one below the other we have

step by step explanation:

2p2q2 - 3pq + 4

-3p2q2 + 7pq + 5

_______________

-p2q2 + 4pq + 9

answer:2p2 + 8q2 - 5pq

Answer 2

Answer:

I think it's correct I don't know weather it is correct or not