Question

Resolva a equação$8^{x} = 2^{6}$

a  x = 4
b  x = 2
c  x = -2
d  x = 1
e  x = 3

Answer 1

8^x = 2^6
(2³)^x = 2^6
2^3x = 2^6
3x = 6
x = 6/3
x = 2

Resp.: Alternativa "B".

Answer 2

$8^x=2^6\\ \\ (2^3)^x=2^6\\ \\ 2^{2x}=2^6\\ \\ 2x=6\\ \\ x=\frac{6}{2}\\ \\ \boxed{x=3}$