# Evaluate square root of x-16=15

x-16=15
To remove the radical on the left side of the equation, square both sides of the equation.
x-162=152
Simplify each side of the equation.
Multiply the exponents in ((x-16)12)2.
Apply the power rule and multiply exponents, (am)n=amn.
(x-16)12⋅2=152
Cancel the common factor of 2.
Cancel the common factor.
(x-16)12⋅2=152
Rewrite the expression.
(x-16)1=152
(x-16)1=152
(x-16)1=152
Simplify.
x-16=152
Raise 15 to the power of 2.
x-16=225
x-16=225
Move all terms not containing x to the right side of the equation.
Add 16 to both sides of the equation.
x=225+16