TeX Quellcode:

\begin{array}{lrclcll} & \mathbb{D} &=& \mathbb{R} \cr\cr & \dfrac45 x^5+16x^3 &=& 0 \cr& x^3\left(\dfrac45 x^2+16\right) &=& 0 &\vert& \text{Satz vom Nullprodukt} \cr\text{Faktor 1:} & x^3 &=& 0 &\vert& \sqrt[3]{} \cr& x_1 &=& 0 \cr\cr \text{Faktor 2:} & \dfrac45 x^2+16 &=& 0 &\vert& -16 \cr & \dfrac45 x^2 &=& -16 &\vert& : \dfrac45 \cr & x^2 &=& -20 &\vert& \pm\sqrt{} \cr & x_{2,3} &=& \pm\sqrt{-20}\end{array}