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OpenStudy (anonymous):
f(x)=(x-4)(2x-1)(x+7)
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OpenStudy (anonymous):
f(x)=(x-4)(2x-1)(x+7) = (x-4)( 2x^2 + 13x - 7) = ( 2x^3 + 13x^2 - 7x) - ( 8x^2 + 52x - 28) = 2x^3 + 5x^2 - 59x + 28
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