add 2p^2q^2+3pq+5+7pq+3p^2q
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Answer:
After writing the given expressions in separate rows .with like terms one below the other, we have
2p
2
q
2
−3pq+4
-3p
2
q
2
+7pq+5
------------------------------------
-p
2
q
2
+4pq+9
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