Question

If x^2=20, what is the value of x?

Answer 1

x = 2√5 and x = - 2√5

Explanation:

x^2 = 20

x = 2√5 and x = - 2√5

Answer 2

-2√5 or 2√5 / 4.472135955 or -4.472135955

Explanation:

Square root x² and 20 which leaves you with x and 2√5 or 4.472135955