TeX Quellcode:

\begin{array}{crclcl} & 4x^2-11 &=& 12x-11 & \vert & -12x+11 \cr & 4x^2-12x &=& 0 \cr & 4x(x-3) &=& 0 & \vert & :4 \cr & x(x-3) &=& 0 & \vert & \text{Satz vom Nullprodukt} \cr \text{Faktor 1:} & x_1 &=& 0 \cr\cr \text{Faktor 2:} & x_2-3 &=& 0 & \vert & +3 \cr & x_2 &=& 3 \end{array}