Asked by Matt Eaton

3^2x - 6 x 3^x + 9 = 0

Solve for x

I have no Idea what to do
Answered by Matt Eaton
sorry, the x in between 6 and three is multiplication... so it should be

3^2x - 6(3^x) + 9 = 0
Answered by Reiny
I am going to rewrite the equation for you

(3<sup>x</sup>)<sup>2</sup> - 6(3<sup>x</sup>) + 9 = 0

there is a strong hint there.
Answered by Matt Eaton
ahhh its a perfect square trinomial

(3^x - 3)^2 = 0

so x = 1
Answered by Reiny
Glad you got it!
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