Subtract from both sides of the equation.

To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of .

Add the term to each side of the equation.

Raise to the power of .

Simplify .

Raise to the power of .

Add and .

Factor the perfect trinomial square into .

Set the equal to .

Subtract from both sides of the equation.

Solve by Completing the Square x^2+6x+9=0