TeX Quellcode:

\begin{array}{rclll} \left(x^2-3\right)^4 &\neq & 0 &\vert & \pm\sqrt[4]{}\\x^2-3 &\neq & 0 &\vert & +3\\x^2 &\neq & 3 &\vert & \pm\sqrt{}\\x_{1,2} &\neq & \pm\sqrt{3}\end{array}