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21-06-2015
Mathematics

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subtract 5x+2x-11 from 3x+^2+8x-7

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aminerbt aminerbt

21-06-2015

A = 3x² + 8x - 7 - (5x² + 2x - 11)
A = 3x² + 8x - 7 - 5x² - 2x + 11
A = 3x² - 5x² + 8x - 2x - 7 + 11
A = - 2x² + 6x + 4

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