Tentukan nilai x !! Please fast respon

1. 9^2 = x^4
(3^2)^2 = x^4
3^4 = x^4
3 = x
2. ^3akar5^x = 5^2/3
5^x/3 = 5^2/3
x/3 = 2/3
x = 2
3. akar2^4 . 4 = x^3
akar16. 4 = x^3
akar 64 = x^3
8 = x^3
2^3 = x^3
2 = x