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10 September, 20:51

Solve logx + log (x-3) = 1

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  1. 10 September, 21:20
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    =log10x (x-3) = 1

    =x (x-3) = 10

    =x^2-3x=10

    Make this a quadratic equation

    x^2-3x-10=0

    Factorize

    = (x+2) (x-5) = 0

    x=-2 or x=5
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