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Math Help - Help solve this simultaneous equation

  1. #1
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    Exclamation Help solve this simultaneous equation

    Can someone show me how to do this question. Thanks heaps

    y=x^2-3x-2
    y=2x+4
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  2. #2
    MHF Contributor harish21's Avatar
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    Quote Originally Posted by GAVREED2 View Post
    Can someone show me how to do this question. Thanks heaps

    y=x^2-3x-2
    y=2x+4
    so you can write:

     y = y

    x^2-3x-2 = 2x+4

    x^2-3x-2 -2x-4=0

    x^2-5x-6 = 0

    can you solve this quadratic equation for x?
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