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17 December, 04:39

What is the factored form of x2 - x - 20?

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Answers (1)
  1. 17 December, 04:58
    0
    (x - 5) (x + 4)

    Step-by-step explanation:

    x^2 - x - 20

    - 20 = - 5 * 4

    and

    - 5 + 4 = - 1

    So

    x^2 - x - 20 = (x - 5) (x + 4)
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