TeX Quellcode:

\begin{array}{rcl} 2+\sqrt[3]{(-1)^3-4\cdot (-1)^2+8\cdot (-1)-14} &=& -1 \cr 2+\sqrt[3]{-1-4-8-14} &=& -1 \cr 2+\sqrt[3]{-27} &=& -1 \cr2-3 &=& -1\\-1 &=& -1\end{array}