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24 January, 18:18

What are the solutions of the equation? x² - 12 = - 4x

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Answers (2)
  1. 24 January, 19:17
    0
    X^2+4x-12=0

    x^2-2x+6x-12=0

    x (x-2) + 6 (x-2) = 0

    (x-2) (x+6) = 0

    x=-6 and 2
  2. 24 January, 20:13
    0
    x² - 12 = - 4x

    x² + 4x - 12=0

    (x+6) (x-2) = 0

    so

    x+6=0 or x-2=0

    x=-6 x=2

    (-6,2)
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