Question

Find the solution to the equation below? x^2-4=0​

Answer 1

2 and -2

Explanation:

Answer 2

x=±2

Explanation:

x^2-4=0​

Add 4 to each side

x^2-4+4=0​+4

x^2 = 4

Take the square root of each side

sqrt(x^2) = sqrt(4)

x=±2