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15 January, 15:06

2a^2-7a+76=0 ...

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Answers (1)
  1. 15 January, 15:12
    0
    2a² - 7a + 76 = 0

    a = - (-7) + / - √ ((-7) ² - 4 (2) (76))

    2 (2)

    a = 7 + / - √ (49 - 608)

    4

    a = 7 + / - (-√559)

    4

    a = 7 + / - (-23.64318084)

    4

    a = 7 + (-23.64318084) a = 7 - (-23.64318084)

    4 4

    a = 7 - 23.64318084 a = 7 + 23.64318084

    4 4

    a = - 16.64318084 a = 30.64318084

    4 4

    a = - 4.160795209 a = 7.660795210
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