TeX Quellcode:

\begin{array}{rclll}x^2+x-6 &=& 0 &\vert & \text{p-q-Formel}\\x_{1,2} &=& -\dfrac{1}{2}\pm\sqrt{\left(\dfrac{1}{2}\right)^2+6}\\x_{1,2} &=& -\dfrac{1}{2}\pm\sqrt{\dfrac{1}{4}+\dfrac{24}{4}}\\x_{1,2} &=& -\dfrac{1}{2}\pm\dfrac{5}{2}\\\\x_1 &=& 2\\x_2 &=& -3\end{array}