In this video you will learn how to use completing the square in order to solve a quadratic equation and a quick song in order to help you remember it.

When do you use "completing the square?"

To solve a quadratic equation that may not factor.

Also you can use it when changing conic sections to different forms.

This video will help with common core standard HSA.REI.B.4.b

"Solve quadratic equations by inspection (e.g., for x2 = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them as a ± bi for real numbers a and b."

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