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12-05-2020
Mathematics

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Which expression is equivalent to (9x2 + 2x - 7)(x - 4)?

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12-05-2020

9x^3-36x+2x^2-8x-7x+48=
9x^3+2x^2-51x+48=
x(9x^2+2x-51)+48
Is an expression equivalent

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