Question

If X^2 = 4 Does X = 2 or X = -2

Answer 1

Answer:

Both.

Step-by-step explanation:

$x^2=4$

$x=\±\sqrt{4}$

$x=\± 2$

Answer 2

Answer:

Yes

Step-by-step explanation:

If,

X² = 4

Taking square root on both sides

$\sqrt{x^2} = \sqrt{4}$

So, It becomes

X = ±4

Either

X = 2    OR     X = -2