How to Solve Quadratic Equations by Completing the Square Formula

What is the Completing the Square Formula and how can you use it to solve problems?

Welcome to this free lesson guide that accompanies this Completing the Square Explained! video tutorial, where you will learn the answers to the following key questions and information:

• What is the completing the square formula?
• How can I solve by completing the square?
• How can I master solving quadratic equations by completing the square?
• What are the completing the square steps?

This Complete Guide to the Completing the Square includes several examples, a step-by-step tutorial, an animated video mini-lesson, and a free worksheet and answer key.

*This lesson guide accompanies our animated Completing the Square Explained! YouTube.

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When can you use the completing the square method to solve quadratic equations?

Solving by completing the square is used to solve quadratic equations in the following form: