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31 January, 06:35

If 5x^2 - 3x-4=0, then what are the values of x?

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  1. 31 January, 06:45
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    This will not factor so you can use the quadratic formula

    x = [ - (-3) + / - sqrt (9 - 4*5*-4) / 10

    = (3 + / - sqrt 89) / 10

    = 3 + 9.434 / 10 or 3 - 9.434 / 10

    = 1.24, - 0.64 to the nearest hundredth
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