nilai x yg memenuhi √3^2x+1 = 9^x-2 tolong bantuannya yaa

3^2x+1/2 = 3^2x-4
2x+1 = 2(2x-4)
2x+1 = 4x-8
2x-4x = -8-1
-2x = -9
x = 9/2