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Math Help - Find all real numbers of

  1. #1
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    Find all real numbers of

    Find all real numbers of eq

    5^x+3^x+2^x-28x+18=0
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  2. #2
    GAMMA Mathematics
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    Graph it to find the solutions. You cannot solve for x algebraically.
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  3. #3
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by perash View Post
    Find all real numbers of eq

    5^x+3^x+2^x-28x+18=0
    I get two surprisingly simple solutions (though it took my calculator several minutes to find them). I won't give them to you, but I will mention that they are integers.

    -Dan
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  4. #4
    GAMMA Mathematics
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    I have one solution just by looking at the equation.
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