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15 September, 23:27

Multiply the polynomials (7x^2 + 9x + 7) (9x - 4)

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  1. 16 September, 00:39
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    Answer: 63x^3+53x^2+27x-28

    Step-by-step explanation:

    (7x^2+9x+7) (9x-4)

    7x^2 X 9x+7x^2 (-4) + 9x X 9x (-4) + 7 X 9x + 7 (-4)

    7 X 9x^2x - 7 X 4x^2 + 9 X 9xx - 9 X 4x+7 X 9x-7 X 4

    63x^3+53x^2+27x-28
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