InterviewSolution
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7 p ( 3 q + 7 p ) \text { from } 8 p ( 2 p - 7 q ) |
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Answer» 8p(2p-7q) - 7p(3q+7p) = 16p*p - 56pq - 21pq - 49p*p = -33p*p-77pq |
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