TeX source:
\begin{array}{crclll} & 27 &=& 27 \cdot e^{x^3-x^2} &\vert & : 27 \cr &1 &=& e^{x^3-x^2} &\vert & \ln{()} \cr & 0 &=& x^3-x^2 \cr & 0 &=& x^2(x-1) & \vert & \text{Satz vom Nullprodukt} \cr \text{Faktor 1:} & x^2 &=& 0 &\vert& \pm\sqrt{} \cr & x_1 &=& 0 \in\mathbb{D} & & \rightarrow \quad P_2(0 \mid 27) \cr\cr \text{Faktor 2:} & x-1 &=& 0 &\vert & +1 \cr & x_2 &=& 1 \in\mathbb{D} & & \rightarrow \quad P_3(1 \mid 27) \end{array}