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11-09-2016
Mathematics

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simplify 7(n - p) 5p. user: simplify p(p - q) - q(q - p).

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nobillionaireNobley nobillionaireNobley

13-09-2016

7(n - p) + 5p = 7n - 7p + 5p = 7n - 2p

p(p - q) - q(q - p) = p^2 - pq - q^2 + pq = p^2 - q^2

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