- TeX source:
- \begin{array}{crclcl} & \mathbb{D} &=& \mathbb{R} \cr \cr & 11x^3+5x^5+2x &=& 0 \cr & x\left(5x^4+11x^2+2\right) &=& 0 &\vert& \text{Satz vom Nullprodukt} \cr \text{Faktor 1:} & x_1 &=& 0 \cr\cr \text{Faktor 2:} & 5x^4+11x^2+2 &=& 0 \cr & 5\left(x^2\right)^2+11x^2+2 &=& 0 \end{array}