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Lv 4
? asked in Education & ReferenceHomework Help · 5 years ago

What does "X" equal in this equation: 2logx+log4=2?

Update:

Please show your steps.

3 Answers

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  • DWRead
    Lv 7
    5 years ago

    2log(x) + log(4) = 2

    log(x²) + log(4) = 2

    log(4x²) = 2

    4x² = 10²

    x² = 25

    x = 5

  • wes
    5 years ago

    5.

  • ?
    Lv 7
    5 years ago

    2logx+log4=2

    log (x^2) + log4 = 2

    log (4x^2) = 2

    10^2 = 4x^2

    10^2 = (2x)^2

    10 = 2x

    5 = x

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