add 2p2q2-3pq+4
5+7pq-3p2q2
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Answered by
4
Step-by-step explanation:
2p2q2-3pq+4+5+7pq-3p2q2
=p2q2+4pq+9
Answered by
2
Answer:
the ans is -p^2q^2+4pq+9
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