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Revision as of 17:32, 20 October 2019
TEST!$\times$
$$ \frac{1}{2} $$
When \(a \ne 0\), there are two solutions to \(ax^2 + bx + c = 0\) and they are \[x = {-b \pm \sqrt{b^2-4ac} \over 2a}.\]