If you square a number and then half it , you get 72. What is the number?

Answer 1

x² / 2 = 72

x² = 144

x = ±12

Answer 2

x = the number

The equation for this problem is

x² / 2 = 72

Solve for x.

x² = 2(72) = 144

x = √144 = ±12