25³x = 125⁴x –² tentukan nilai x

25³x = 125⁴x^-2
(5²)³ x = (5³)⁴ x^-2
5^6 x = 5^12 x^-2
x/x^-2 = 5^12/5^6
x^(1+2) = 5^(12-6)
x³ = 5^6
x = ³√(5^6)
x = 5^(6/3)
x = 5²
x = 25
^ tanda pangkat