The solutions ##(x_1, x_2)## for the quadratic equation ##(0=ax^2+bx+c)##:(adsbygoogle = window.adsbygoogle || []).push({});

##x_1 = \frac{-b + \sqrt{b^2-4ac}}{2a}##

##x_2 = \frac{-b - \sqrt{b^2-4ac}}{2a}##

Are true if ##x## and ##a##, ##b##, and ##c## ##\in## ##\mathbb{C}## ?

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# About quadratic formula

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