Use the method of completing the square to solve the quadratic equation. x 2 + 12 x $-$ 9 = 0 Please enter your answer as two numbers, separated by a comma.

Name: Use the method of completing the square to solve the quadratic equation. x 2 + 12 x $-$ 9 = 0 Please enter your answer as two numbers, separated by a comma.
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The Answer of Use the method of completing the square to solve the quadratic equation. x 2 + 12 x $-$ 9 = 0 Please enter your answer as two numbers, separated by a comma.

Use the Method of Completing the Square to Solve the Quadratic