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2015-07-24T12:38:08+08:00

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The quadratic equation is a second-order polynomial equation in a single variable.
there is a formula which is called quadratic formula it uses the "a","b"and "c"where "a","b"and"c"are just numbers; they are the numerical coefficients"of the quadratic equation they gave you to solve.the quadratic formula is derived from the process of completing the square.
I hope this will help you :)
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