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13-04-2017
Mathematics

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simplify the expression x(2x + 3) + (x - 3)(x - 4)

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Аноним Аноним

13-04-2017

x(2x + 3) + (x - 3)(x - 4)
=2x^2 + 3x +x^2 -3x -4x + 12
=3x^2 - 4x + 12

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