Subtract : 8pq - 9pq2
+7p2
q +3 from
9p2
q -pq2
+10pq +7
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1
Answer:
2p²q + 8pq²+ 2pq +4
Step-by-step explanation:
9p²q - pq² + 10pq +7 - ( 8pq - 9pq² + 7p²q-3)
= 9p²q - pq² + 10pq +7 -8pq + 9pq² - 7p²q -3
= 9p²q - 7p²q - pq² + 9pq² + 10pq -8pq +7 -3
= 2p²q + 8pq² + 2pq +4
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