TeX Quellcode:

\begin{array}{rclcll}\mathbb{D} &=& \mathbb{R} \cr\cr 0 &=& 100^x+10^x-10 \\0 &=& (10^2)^x+10^x-10 \\0 &=& (10^x)^2+10^x-10 \\\end{array}