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Math Help - Solve using log?

  1. #1
    Cal
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    Solve using log?

    How do I solve for: (x^3)(5^x)=200

    I know the answer is 2 but how do I solve for it using logs or Ln?

    Thanks for any help you can provide.
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  2. #2
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    Quote Originally Posted by Cal View Post
    How do I solve for: (x^3)(5^x)=200

    I know the answer is 2 but how do I solve for it using logs or Ln?

    Thanks for any help you can provide.
    you can't solve this equation using elementary algebraic principles of logs.
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