Question

( 2 ao x ) ao cubo =64

Answer 1

$(2^{x} ) ^{3} =64 \\ 2^{3x} = 2^{6} \\ \\ 3x = 6 \\ x = 6/3 \\ x = 2$

Answer 2

2ˣ)³ = 64
  2³ˣ= 2⁶
    3X = 6
X= 6/3
x = 2