Правила оформления экранов: шрифты, цвета, состав и расположение окон, 

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$$
\begin{equation} subtrahend = \sqrt{valueB^2 - 4 \cdot valueA \cdot valueC} \end{equation}
$$
$$
\begin{equation} divident1 = -valueB - subtrahend \end{equation}
$$
$$
\begin{equation} divident2 = -valueB + subtrahend \end{equation}
$$
$$
\begin{equation} results = (\frac{divident1}{2\cdot valueA},  \frac{divident2}{2\cdot valueA}) \end{equation}
$$


$$
aboba = sqrt(valueB^2 - 4 * valueA * valueC) 
otherSmartName1 = -valueB - aboba
otherSmartName2 = -valueB + aboba
results = (otherSmartName1/(2*valueA), otherSmartName2/(2*valueA))
$$