Respuesta :
Answer: Positive and negative 8
Step-by-step explanation:
Take the square root on both sides
[tex]\sqrt{x^2} =\sqrt{64}[/tex]
x = ±8
Answer:
x = - 8, x = 8
Step-by-step explanation:
[tex] {x}^{2} = 64 \\ \\ x = \pm \sqrt{64} \\ \\ x = \pm8 \\ \\ x = - 8, \: \: x = 8[/tex]