TeX Quellcode:

\begin{array}{rclcl}6x^2+12x-17 &=& 0 &\vert & :6 \\x^2+2-\dfrac{17}{6} &=& 0 &\vert & \text{p-q-Formel} \\x_{1,2} &=& -1\pm\sqrt{1^2+\dfrac{17}{6}}\\x_{1,2} &=& -1\pm\sqrt{\dfrac{23}{6}} \\\\x_1 &=& -1+\sqrt{\dfrac{23}{6}} \approx 0{,}96\\x_2 &=& -1-\sqrt{\dfrac{23}{6}} \approx -2{,}96\end{array}