TeX Quellcode:

\begin{array}{crclcl} & \mathbb{D} &=& \mathbb{R} \cr\cr & 14x^2\left(x^2-2\right)+28x^3 &=& 14x &\vert& -14x \cr & 14x^4+28x^3-28x^2-14x &=& 0 \cr & x\left(14x^3+28x^2-28x-14\right) &=& 0 & \vert & \text{Satz vom Nullprodukt} \cr \text{Faktor 1:} & x_1 &=& 0 \cr\cr \text{Faktor 2:} & 14x^3+28x^2-28x-14 &=& 0 \end{array}