Question

What is the solution to the equation x^2=64

Answer 1

x = - 8, x = 8

Explanation:

`{x}^(2) = 64 \\ \\ x = \pm √(64) \\ \\ x = \pm8 \\ \\ x = - 8, \: \: x = 8`

Answer 2

Answer: Positive and negative 8

Explanation:

Take the square root on both sides

`√(x^2) =√(64)`

x = ±8