$\left\{\begin{matrix}C_{3}=-\frac{2\left(b-10\right)}{a}\text{, }&a\neq 0\\C_{3}\in \mathrm{C}\text{, }&b=10\text{ and }a=0\end{matrix}\right.$

$\left\{\begin{matrix}a=-\frac{2\left(b-10\right)}{C_{3}}\text{, }&C_{3}\neq 0\\a\in \mathrm{C}\text{, }&b=10\text{ and }C_{3}=0\end{matrix}\right.$

$\left\{\begin{matrix}C_{3}=-\frac{2\left(b-10\right)}{a}\text{, }&a\neq 0\\C_{3}\in \mathrm{R}\text{, }&b=10\text{ and }a=0\end{matrix}\right.$

$\left\{\begin{matrix}a=-\frac{2\left(b-10\right)}{C_{3}}\text{, }&C_{3}\neq 0\\a\in \mathrm{R}\text{, }&b=10\text{ and }C_{3}=0\end{matrix}\right.$