Question

.Solve for x in the equation below:
x1/2- 4 = 8

Answer 1

x = 144

Explanation:

`x^(1)/(2) - 4 = 8`

Add 4 to both sides.

`x^(1)/(2) = 12`

Square both sides since x^(1/2) is the same as sqrt(x).

`(x^(1)/(2))^2 = (12)^2`

`x^{(1)/(2) * 2} = 144`

`x^1 = 144`

`x = 144`