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Math Help - How to simplify this system of equations?

  1. #1
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    How to simplify this system of equations?

    Can You help me to simplify this system of equations?:

    x-y+z=6
    x**2+y**2+z**2=14
    x**3-y**3+z**3=36


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  2. #2
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    Nov 2012
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    Normal, IL USA
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    Re: How to simplify this system of equations?

    Somewhere, I made a mistake in my calculations. I wound up with one minus sign too many. But I know what the result is. See the attached file.

    6= xyz
    Attached Files Attached Files
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