TeX Quellcode:
\begin {array}{rcl} \dfrac{3x}{8}-\dfrac{5}{12}x-\dfrac{4}{x} &=& \dfrac{9x \cdot x}{24x}-\dfrac{10x \cdot x}{24x}-\dfrac {96}{24x} \cr \cr &=& \dfrac{9x \cdot x-10x \cdot x-96}{24x} \cr \cr &=& \dfrac{-x \cdot x-96}{24x} \end{array}