Posted by Matt Eaton on Monday, February 18, 2008 at 9:09pm.
3^2x  6 x 3^x + 9 = 0
Solve for x
I have no Idea what to do

Algebra III  Matt Eaton, Monday, February 18, 2008 at 9:14pm
sorry, the x in between 6 and three is multiplication... so it should be
3^2x  6(3^x) + 9 = 0

Algebra III  Reiny, Monday, February 18, 2008 at 9:22pm
I am going to rewrite the equation for you
(3^{x})^{2}  6(3^{x}) + 9 = 0
there is a strong hint there.

Algebra III  Matt Eaton, Monday, February 18, 2008 at 9:49pm
ahhh its a perfect square trinomial
(3^x  3)^2 = 0
so x = 1

Algebra III  Reiny, Monday, February 18, 2008 at 9:53pm
Glad you got it!
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