\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\sum\varpi \varpi \Pi {}_{}\int\begin{pmatrix} 1\\ 2 \end{pmatrix}\left [ \right ]\Rightarrow\leftrightarrow{}_{}\epsilon \Xi \)
55371057962*x=99
\( 55371057962*x=99 \)
\(\large x=\frac{ 99 }{55371057962}\)
\(x=1.78793766353\times 10^{-9}\)
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