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11 August, 16:26

Factor the expression. x2 - x - 42 (x - 7) (x - 6) (x - 7) (x + 6) (x + 7) (x - 6) (x + 7) (x + 6)

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Answers (2)
  1. 11 August, 16:33
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    (x - 7) x + 6).

    Step-by-step explanation:

    x^2 - x - 42

    6 * - 7 = 42 and 6 - 7 = - 1 so the factors are:

    (x - 7) x + 6).
  2. 11 August, 16:45
    0
    Answer: (x-7) (x+6)

    Step-by-step explanation:

    x2 - x - 42

    Which two numbers add up to - 1 and multiply to - 42? Well it's - 7 and 6, so the answer is (x-7) (x+6).
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