7p^2q^3(pq-9p^2q^2) how to multiply it
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Answer:
7p^3q^4-63p^4q^5
Step-by-step explanation:
7p^2q^3(pq-9p^2q^2)
=7p^2q^3×pq-7p^2q^3×9p^2q^2
=7p^3q^4-63p^4q^5
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