Solving quadratic equations

A quadratic equation is an equation whose sides are both polynomials of degree at most 2. Quadratic equations in one variable can always be solved using this method: At this point, you should have the answer.
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This web page was written between 2007 and 2016 by Toby Bartels, last edited on 2016 July 22. Toby reserves no legal rights to it.

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