math

solve the equation for x.
3^2x - 3^x+2 +8 =0


Ps. The topic is logarithmic and exponential functions

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  1. maybe you mean

    3^(2x) - 3^(x+2) + 8 = 0

    let z = 3^x

    z^2 - 9 z + 8 = 0

    (z-8)(z-1) = 0

    z = 1 or z = 8

    x = 0 or x = 2

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    posted by Damon

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