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Math Help - Fractional Quadratic Equations

  1. #1
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    Smile Fractional Quadratic Equations

    (7-x/x+2)-(1/x-1)=1/3

    I know the answer to this, it is 5/2 but can someone please show me the steps to solving this equation? Thx.
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  2. #2
    nvv
    nvv is offline
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    Hello, clarebear14

    1.(7-x/x+2)-(1/x-1)=1/3

    mult. both part of eq. by 3*(x+2)(x-1)

    2. 3*(7-x)*(x-1) - 3*(x+2)=(x+2)(x-1)

    3.-4x^2+20x-25=0

    D = 400-400=0

    x1=x2=20/8=5/2
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