Question

If x2 = 60, what is the value of x?

Answer 1

30

Explanation:

30 times 2 = 60

Answer 2

x = ±2sqrt(15)

Explanation:

x^2 = 60

Take the square root of each side

sqrt(x^2) = ±sqrt(60)

x = ±sqrt(60)

x = ±sqrt(4 *15)

x = ±2sqrt(15)