TeX Quellcode:
\begin{array}{crclcll} & \dfrac12 x^2-13x-15 &=& -8x-15 & \vert & (+8x+15) \cr & \dfrac12 x^2 -5x &=& 0 & \vert & \cdot 2 \cr & x^2-10x &=& 0 & \vert & \text{Satz vom Nullprodukt} \cr & x(x-10) &=& 0 \cr \text{Faktor 1:} & x_1 &=& 0 \cr\cr \text{Faktor 2:} & x_2-10 &=& 0 &\vert& +10 \cr & x_2 &=& 10 \end{array}