TeX Quellcode:

\begin{array}{rclll} 8 &=& (4x+12)^2+8 &\vert & -8 \cr 0 &=& (4x+12)^2 &\vert & \sqrt{} \cr 0 &=& 4x+12 &\vert & -4x \cr -4x &=& 12 &\vert & :(-4) \cr x &=& -3 & & \rightarrow \quad P_2(-3 \mid 8) \end{array}