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Algebra 2

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log4 (x-2) - log4 (x+1) = 1

  • Algebra 2 - ,

    log4(x-2)(x+1) = 1
    (x-2)(x+1) = 4
    x^2 - x - 6 = 0
    (x-3)(x+2)
    x = 3 or -2
    however, x = -2 does not fit the original equation, since log of negative numbers are not defined.

    So, the only solution is x=3

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