Rewrite as .
Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
Cancel the common factor.
Divide by .
Raise to the power of .
Move all terms not containing to the right side of the equation.
Subtract from both sides of the equation.
Subtract from .
Solve for y ( square root of y+4)^2=14^2