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17 June, 13:32

Find the roots of the equation by factoring. X^2 - 2x = 15

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Answers (2)
  1. 17 June, 16:43
    0
    x = 5

    Step-by-step explanation:

    5x5 = 25

    25 - 10 = 15

    15 = 15
  2. 17 June, 17:12
    0
    Roots: 5 and - 3

    The factors are - 5 and 3 because they add to - 2 and multiply to - 15.

    X^2 - 2x = 15

    -15 - 15

    X^2 - 2x - 15 = 0

    (X - 5) (x + 3)

    X = 5 and - 3
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