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23 November, 18:43

5x^2+2x-2=0 quadratic equation

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Answers (1)
  1. 23 November, 21:23
    0
    5x² + 2x - 2 = 0

    x = - 2 + / - √ (2² - 4 (5) (-2))

    2 (5)

    x = - 2 + / - √ (4 + 40)

    10

    x = - 2 + / - √ (44)

    10

    x = - 2 + / - 6.633

    10

    x = - 0.2 + / - 0.6633

    x = - 0.2 + 0.6633 x = - 0.2 - 0.6633

    x = 0.4633 x = - 0.8633
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