TeX Quellcode:

\begin{array}{rclcl}1-\dfrac{x+5}{x-5} & > & -(x+5) & \vert & \cdot \left(x-5\right) \\x-5 - (x+5) & < & -(x+5)(x-5) \\x-5-x-5 & < & -\left(x^2 -25\right) \\-10 & < & -x^2 + 25 & \vert & -25 \\-35 & < & -x^2 & \vert & +x^2 +35 \\x^2 & < & 35 &\vert & \pm\sqrt{}\end{array}