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13 November, 17:26

X2-4x=177 (the 2 is an exponent)

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Answers (1)
  1. 13 November, 20:29
    0
    x² - 4x = 177

    x² - 4x - 177 = 0

    x = - (-4) + / - √ ((-4) ² - 4 (1) (-177))

    2 (1)

    x = 4 + / - √ (16 + 708)

    2

    x = 4 + / - √ (724)

    2

    x = 4 + / - 2√ (181)

    2

    x = 2 + √ (181)

    x = 2 + √ (181) x = 2 - √ (181)
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