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25 April, 19:34

Solve the quadratic equation 4v^2-10v-22=0

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Answers (2)
  1. 25 April, 19:44
    0
    4v^2-10v-22=0

    a b c

    x = - b + / - square root of b^2 - 4ac all divide by 2a

    x = - (-10) + / - square root of - 10^2 - 4 (4) (-22) all divided by 2 (4)

    x = 10 + / - square root of 100+352 all divided by 8

    x = 10 + / - square root of 452 all divided by 8

    x = 10 + / - 21 divided by8
  2. 25 April, 20:03
    0
    4v² - 10v - 22 = 0

    v = - (-10) + / - √ ((-10) ² - 4 (4) (-22))

    2 (4)

    v = 10 + / - √ (100 + 352)

    8

    v = 10 + / - √ (452)

    8

    v = 10 + / - 21.26

    8

    v = 1.25 + / - 2.66

    v = 1.25 + 2.66 v = 1.25 - 2.66

    v = 3.91 v = - 1.41
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