Solve.

(3^2x)+5=(9^2x-5)

Hint:

(3^2x)+5=(9^2x-5)
Rewrite as
(3^2x)+5 = (3^2x)²-5
Set y=3^2x
y²-y-10=0
Solve for y and backsubstitute to solve for x.
I get x=0.6 approx.