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20 April, 19:51

Factor completely.

2x^2 - 15x + 7

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Answers (2)
  1. 20 April, 21:08
    0
    (2x - 1) (x - 7).

    Step-by-step explanation:

    2x^2 - 15x + 7

    Use the ac method:

    ac = 2 * + 7 = + 14

    -1 * - 14 = + 14 and - 1 + - 14 = - 15 so we replace - 15x by - x - 14x:

    2x^2 - x - 14x + 7

    = x (2x - 1) - 7 (2x - 1)

    = (2x - 1) (x - 7)
  2. 20 April, 21:12
    0
    (2x-1) (x-7)
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