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22 October, 15:43

Simplify: (x - 5) (7x2 - 8x - 7)

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Answers (2)
  1. 22 October, 17:24
    0
    7x^3-43x^2-37x+385 is the answer. Multiply each term in the 1st expression by each in the 2nd expression then u combine like terms.
  2. 22 October, 18:52
    0
    First, multiply the x through the parenthesis

    x (7x^2 - 8x - 7) = 7x^3 - 8x^2 - 7x

    now multiply the - 5 through the parenthesis

    -5 (7x^2 - 8x - 7) = - 35x^2 + 40x + 35

    now combine like terms

    7x^3 - 43x^2 + 33x + 35
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