Solve for x.

3^(2x)-2*3^(x+5)+3^10= 0

3 answers

I can see it as being factored to

(3^x - 3^5)(3^x - 3^5) = 0

so 3^x - 3^5 = 0
3^x = 3^5

x = 5
Rewrite the given equation using the substitutions x=rcos@ and y=rsin@. (@=theta)
Simplify your answer.
(2x-3)*(x^2+9)*(x+5)=0