How to solve by extracting roots. Isolate the square and then take the square root of both sides. You can use this technique to solve certain quadratic equations.

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Solving Quadratic Equations and Graphing Parabolas

1 Extracting Square Roots
2 Completing the Square
3 Quadratic Formula
4 Guidelines for Solving Quadratic Equations and Applications
5 Solving Equations Quadratic in Form
6 Graphing Parabolas
7 Complex Numbers and Complex Solutions

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