plus or minus   2 videos

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  Solving a Quadratic by Completing the Square

  Algebra 2 Quadratic Equations and Inequalities

  How to complete the square.

  square root property completing the square plus or minus
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  Introduction to Radicals

  Algebra 2 Roots and Radicals

  How to know when to include a plus and minus on a square root problem.

  simplifying square roots