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Math Help - solve equations

  1. #1
    acey4eva
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    solve equations

    solve equation in exact(surd) form:
    x(x-3)=4x-3
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by acey4eva View Post
    solve equation in exact(surd) form:
    x(x-3)=4x-3
    What is the problem? This is a quadratic:

    x(x-3) = x^2 - 3x,

    so:

    x^2 - 3x = 4x - 3,

    subtract 4x from both sides:

    x^2 - 7x = -3,

    add 3 to both sides:

    x^2 - 7x + 3 =0

    So now you use the quadratic formula to solve for x.

    RonL
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