Algebra

Find the sum of (-3a+4cd-6ac)-(7ab-9cd-10ac)+(-8ab+cd-2ac)-(9ab-5cd+CD)

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asked by Gler
  1. pay attention to which variables are paired together, and just add up like terms. For example, the cd terms are

    4-(-9)+1-1 = 13cd

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    posted by Steve

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