TeX Quellcode:

\begin{array}{rclcl} \sqrt{5x+2} &\neq& 0 &\vert& ()^2 \\ 5x+2 &\neq& 0 &\vert& -2 \\ 5x &\neq& -2 &\vert& :5 \\ x &\neq& -\dfrac{2}{5}\end{array}