http://www.mste.uiuc.edu/users/exner/ncsa/quad/(adsbygoogle = window.adsbygoogle || []).push({});

There's another way of writing the quadratic formula...but how do I derive the 2nd formula using the 1st one? I've tried for hours and I can't get it. I would really appreciate any help.

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# Variation of the quadratic formula?

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