Question

resolva a equacao: 64=4 elevado a 2-×

Answer 1

64=4^2-x =>

4³=4^2-x =>

3=2-x =>

x=-1

Answer 2

4^2-x=64
(2²)^2-x=2^6
4^4-2x=2^6
4-2x=6
-2x=6-4 (-1)
x=-2/2
x=-1