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{25}{4}}\\\\x_1 &=& -\dfrac{1}{2}\pm\dfrac{5}{2} = 2\\x_2 &=& -\dfrac{1}{2}\pm\dfrac{5}{2} = -3\end{array}