TeX Quellcode:

\begin{array}{crclcl} & (x+2)^2 &=& 4(1-x) \cr & x^2+4x+4 &=& 4-4x & \vert & -4+4x \cr & x^2+8x &=& 0 \cr & x(x+8) &=& 0 \cr \text{Faktor 1:} & x_1 &=& 0 \cr\cr \text{Faktor 2:} & x+8 &=& 0 &\vert& -8 \cr & x_2 &=& -8 \cr\cr & \mathbb{L} &=& \{-8; 0\} \end{array}