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11-01-2015
Mathematics

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Select the product of (7x - 8)(4x + 9).

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CatieSlotz CatieSlotz

11-01-2015

Foil it out:
(7x)(4x)+(7x)(9)+(-8)(4x)+(-8)(9)
28x^2+63x-32x-72
28x^2+31x-72

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