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Answered 2010-04-15 23:12:44

Completing the square is one method for solving a quadratic equation. A quadratic equation can also be solved by factoring, using the square roots or quadratic formula. Solving quadratic equations by completing the square will always work when solving quadratic equations

-You can also use division or even simply take a GCF, set the quantities( ) equal to zero, and subtract or add to solve for the variable

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