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7 April, 00:46

What is the solution to the equation? (-9x+5) ^1/2 = (3+4x) 1/2

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  1. 7 April, 01:00
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    x in (-oo:+oo)

    ((5-9*x) ^1) / 2 = ((4*x+3) ^1) / 2 / / - ((4*x+3) ^1) / 2

    ((5-9*x) ^1) / 2 - (((4*x+3) ^1) / 2) = 0

    (5-9*x) / 2 - ((4*x+3) / 2) = 0

    (5-9*x) / 2 + (-1 * (4*x+3)) / 2 = 0

    5-1 * (4*x+3) - 9*x = 0

    2-13*x = 0

    (2-13*x) / 2 = 0

    (2-13*x) / 2 = 0 / / * 2

    2-13*x = 0

    2-13*x = 0 / / - 2

    -13*x = - 2 / / : - 13

    x = - 2 / (-13)

    x = 2/13

    x = 2/13
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