5^3x=27, what is the value of 5^2x?
\(5^{3x}=27\\ 5^x=3\\ 5^{2x}=3^2=9\)
\(5^{3x}=27\\\\\left(5^x\right)^3=3^3\iff5^x=3\\\\\left(5^x\right)^2=3^2\\\\5^{2x}=9\)