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31 January, 00:05

What is the product of the polynomials below? (x-9) (x+2)

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  1. 31 January, 00:07
    0
    Use distributive property: a (b + / - c) = ab + / ac.

    (x - 9) (x + 2) = (x) (x) + (x) (2) - (9) (x) - (9) (2) = x² + 2x - 9x - 18

    = x² - 7x - 18
  2. 31 January, 00:15
    0
    (x-9) (x+2) = x²+2x-9x-18=x²-7x-18
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