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25-03-2018
Mathematics

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Subtract the following polynomials. Write answer in a-b-c-d order. From 4a + 7b - 12c subtract 8a - 9b + 12d.

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25-03-2018

4a + 7b - 12c - (8a - 9b + 12d)

= -4a + 16b -12c - 12d Answer

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