Question

Find the solutions to the equation below.
Check all that apply.
x2 - 4 = 0

Answer 1

2

Explanation:

First you add 4 to both sides and get

2x=4

then you divide by 2 and get

4/2=x

4/2=2

x=2

Answer 2

+2 or -2

Explanation:

move 4 after equal sign

now it's x² =4 and put a root on the two parts of equation and this is what you get