TeX Quellcode:

\begin{array}{rclcl} -2\left(x^2+\dfrac{5}{8}\right) &=& x^3+\dfrac{9}{4}x \cr -2x^2 -\dfrac{5}{4} &=& x^3+\dfrac{9}{4}x &\vert& +2x^2+\dfrac{5}{4} \cr x^3 + 2x^2 +\dfrac{9}{4}x + \dfrac {5}{4} &=& 0 \end{array}