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9 December, 08:28

Log (x+3/10) + logx+1=0

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  1. 9 December, 08:54
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    Hi dear,

    log (x+3) - log10+logx+1=0

    log (x+3) - 1+logx+1=0

    log (x+3) + logx=0

    logx (x+3) = 0

    x (x+3) = 10^0

    x^2+3x-1=0

    solve this equation that answers are:

    X1 = [ (13) ^ (1/2) - 3]/2

    X1 = [ (13) ^ (1/2) + 3]/2
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