Question

Find the two values that x can have if x2 – 12 = 37​

Answer 1

x1= -7 , x2 = 7

Explanation:

x^2 = 37 +12

x^2 = 49

x = -7 or 7

Answer 2

`x = - 7 \\ x = 7`

Explanation:

`{x}^(2) - 12 = 37 \\ {x}^(2) = 37 + 12 \\ {x}^(2) = 49 \\ x = √(49) \\ x = 7 \\ x = - 7`