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31 July, 12:01

Find the product of the two polynomials

(x + 7) (-5x ² - 8x + 4)

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Answers (1)
  1. 31 July, 12:26
    0
    Multiply x by everything in the other parentheses. So x by - 5x2 and - 8 and 4, then do the same with 7.

    The answer would be,

    -5x^3-8x^2+4x-35x^2-56x+28

    Simplified it would equal after combining like terms

    -5x^3-43x^2-52x+28
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