Question

Determine the values of x in the equation x2 = 64.

x = ±32
x = 32
x = ±8
x = −8

Answer 1

xx2=64
Reorganize os termos
2x=64
Divida ambos os membros
Solução
x=32

Answer 2

32 or +-8 depending on question

Explanation:

If question is 2x = 64, then x= 32

If question is x^2 = 64, then x= +-8