(x,y,z)=$\textbraceleft$ (\frac{7 \beta +152 \gamma + 176}{2 \beta -4} , 
\frac{-(\beta +28 \gamma + 33)}{2 \beta -4} ,
 \frac{4 \gamma+5}{2 \beta -4}); \beta \in \mathbb{R} $ \textbackslash \textbraceleft 2\textbraceright$ , \gamma \in \mathbb{R} $\textbraceright$