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Given the standard format of a quadratic is y=ax^2+bx+c, use the complete square process to derive the quadratic equations.

 Aug 15, 2019
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See here: https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratic-functions-equations/x2f8bb11595b61c86:quadratic-formula-a1/a/quadratic-formula-proof-review

 Aug 16, 2019

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