TeX Quellcode:

\begin{array}{rclll}u^2+2u-8 &\neq & 0 &\vert & \text{p-q-Formel}\\u_{1,2} &\neq & -1\pm\sqrt{1^2+8}\\u_{1,2} &\neq & -1\pm\sqrt{9}\\\\u_1 &\neq & -1+3 = 2\\u_2 &\neq & -1-3 = -4\end{array}