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college algebra

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2 log x- log 9=log 441

  • college algebra -

    log x^2 - log9 = log 441
    log (x^2 /9) = log 441
    "antilog" it

    x^2/9 = 441
    x^2 = 3969
    x = ±63 , but we cannot take log of a negative, so

    x = 63

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