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19 June, 05:37

What are the factors of the following quadratic equation 12=x^2-x

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Answers (1)
  1. 19 June, 05:47
    0
    12 = x² - x

    12 - 12 = x² - x - 12

    0 = x² - x - 12

    x² - x - 12 = 0

    x = - (-1) + / - √ ((-1) ² - 4 (1) (-12))

    2 (1)

    x = 1 + / - √ (1 + 48)

    2

    x = 1 + / - √ (49)

    2

    x = 1 + / - 7

    2

    x = 0.5 + / - 3.5

    x = 0.5 + 3.5 x = 0.5 - 3.5

    x = 4 x = - 3
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