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!

## Answer This Question

## Related Questions

- algebra - Solve the indicated variable: 1. Volume of a cone: solve for h: V=Ļir^...
- Algebra - Solve 3x +1 < 5 or 3x +1 > 4 By saying "solve," is it asking for...
- Algebra 2 - How do I answer this f(x) = x - 3 (x + 4)^(1/2) and am asked how to ...
- Algebra - How would I solve: 1/3(D+3)=5 I know you need to find the recipicile, ...
- Math - Given g(x) = print_coeff(m,1)x print_const(b), find g(print_coeff(n,1)a) ...
- chemistry - Arrange the acids I) hydrogen selenate ion (HSeO− 4 ), pKa = ...
- chemistry - Arrange the acids I) hydrogen selenate ion (HSeO− 4 ), pKa = 1...
- Chemistry; Please help - Write formulas for the following. 1. potassium ...
- algebra I - Please help I have no idea where to start. Solve for h 5h + 5+ 4h = ...
- Algebra - To solve the system of equations, which expression could be ...

More Related Questions