Rewrite the equation as .

Add to both sides of the equation.

Add and .

To remove the radical on the left side of the equation, square both sides of the equation.

Simplify the left side of the equation.

Raise to the power of .

Move all terms not containing to the right side of the equation.

Add to both sides of the equation.

Add and .

Divide each term by and simplify.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Divide by .

Solve for s 2 = square root of 4s-4-4