### Home > CAAC > Chapter 12 > Lesson 12.4.3 > Problem 12-91

12-91.

Solve the quadratics below by completing the square. Leave your solutions in exact form. Homework Help ✎

*x*^{2}− 6*x*− 12 = 0*x*^{2}− 3 = 4*x*

Add 12 to both sides.

Add 9 to both sides to make a perfect square.

Subtract 4*x* from both sides.

Follow the steps you used in part (a).