add 2p²q²- 3pq + 4,5 + 7pq - 3p²q²
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Answer:
(2p²q²- 3pq + 4) + (5 + 7pq - 3p²q²)
= 2p²q²- 3pq + 4 + 5 + 7pq - 3p²q²
= 2p²q² - 3p²q² + 7pq - 3pq + 5 + 4
= - p²q² + 4pq + 9
Hope this answer will help you
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