Question

What are the solution(s) of X2-4=0?

Answer 1

Answer:

-2 or 2

Step-by-step explanation:

So we have the equation:

$x^2-4=0$

Add 4 to both sides:

$x^2=4$

Take the square root of both sides:

$x=\pm 2$

Therefore, our answers are -2 or 2.

And we're done :)