Question

What are the solution(s) of x squared minus 4 = 0

Answer 1

X=2 or X=-2

Explanation:

x^2 - 4 = 0

x ^2 − 4 + 4 = 0 + 4

x^2 = 4

√ ( x ^2 ) = √ 4

= ± 2 = { x 1 = − 2

x 2 = 2

Answer 2

x=2 or x= -2

Explanation:

x^2 - 4 = 0

x ^2 − 4 + 4 = 0 + 4

x^2 = 4

√ ( x ^2 ) = √ 4

= ± 2 = { x 1 = − 2

x 2 = 2