$$COEFFICIENTy2+17y+z=0$$
$\left\{\begin{matrix}C=-\frac{iN^{-\frac{1}{2}}O^{-\frac{1}{2}}T^{-\frac{1}{2}}y_{2}^{-\frac{1}{2}}\sqrt{17y+z}}{EFI}\text{; }C=\frac{iN^{-\frac{1}{2}}O^{-\frac{1}{2}}T^{-\frac{1}{2}}y_{2}^{-\frac{1}{2}}\sqrt{17y+z}}{EFI}\text{, }&I\neq 0\text{ and }F\neq 0\text{ and }E\neq 0\text{ and }y_{2}\neq 0\text{ and }T\neq 0\text{ and }N\neq 0\text{ and }O\neq 0\\C\in \mathrm{C}\text{, }&y=-\frac{z}{17}\text{ and }\left(I=0\text{ or }F=0\text{ or }E=0\text{ or }y_{2}=0\text{ or }T=0\text{ or }N=0\text{ or }O=0\right)\end{matrix}\right.$
$\left\{\begin{matrix}E=-\frac{iN^{-\frac{1}{2}}O^{-\frac{1}{2}}T^{-\frac{1}{2}}y_{2}^{-\frac{1}{2}}\sqrt{17y+z}}{CFI}\text{; }E=\frac{iN^{-\frac{1}{2}}O^{-\frac{1}{2}}T^{-\frac{1}{2}}y_{2}^{-\frac{1}{2}}\sqrt{17y+z}}{CFI}\text{, }&I\neq 0\text{ and }F\neq 0\text{ and }C\neq 0\text{ and }y_{2}\neq 0\text{ and }T\neq 0\text{ and }N\neq 0\text{ and }O\neq 0\\E\in \mathrm{C}\text{, }&y=-\frac{z}{17}\text{ and }\left(I=0\text{ or }F=0\text{ or }C=0\text{ or }y_{2}=0\text{ or }T=0\text{ or }N=0\text{ or }O=0\right)\end{matrix}\right.$