Spenlucy Spenlucy

26-08-2015
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4(2x+1)(x-4) expand and simplify

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Аноним Аноним

26-08-2015

4(2x+1)(x−4)

=(4(2x+1))(x+−4)

=(4(2x+1))(x)+(4(2x+1))(−4)

=8x^2+4x−32x−16

=8x^2−28x−16

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