find the experisson: ________ (7p2q+ 5pq) =21p3q2+15 p2q2
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Answer:
7p²q + 5pq = 21 p³q²+15p²q²
(pq)(7p+5) = (p²q²)(21p+15)
(7p+5) = (pq)(21p+15)
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