Question

(4la puterea x)la puterea2=2la puterea8

Answer 1

$(4^x)^2=2^8 \\ 4^2^x=2^8 \\ (2^2)^2^x=2^8 \\ 2^4^x=2^8 \\ 4x=8 \\ x=8:4 \\ x=2$