TeX Quellcode:

\begin{array}{rclcll}u^2+u-10 &=& 0 &\vert& \text{p-q-Formel} \\u_{1,2} &=& -\dfrac{1}{2}\pm\sqrt{\left(\dfrac{1}{2}\right)^2+10} \\ \\&=& -\dfrac{1}{2}\pm\sqrt{\dfrac{41}{4}} \\ \\u_1 &=& -\dfrac{1}{2}+\dfrac{\sqrt{41}}{2} \approx 2{,}70 \\ \\u_2 &=& -\dfrac{1}{2}-\dfrac{\sqrt{41}}{2} \approx -3{,}70 \\ \\\end{array}