math

Thanks Mellie, you are right, there is no distict 'end' point :)

$$\\z\frac{z}{1.2}+5\\\\ =z*\frac{z}{1.2}+5\\\\ =\frac{z}{1}*\frac{z}{1.2}+5\\\\ =\frac{z*z}{1*1.2}+5\\\\ =\frac{z^2}{1.2}+5\\\\ =\frac{10z^2}{12}+5\\\\ =\frac{5z^2}{6}+\frac{30}{6}\\\\ =\frac{5z^2+30}{6}\\\\$$

$${\frac{{\mathtt{z}}}{{\mathtt{1.2}}}}{\mathtt{\,\small\textbf+\,}}{\mathtt{5}}$$

I'm not exactly sure what you are looking or as a solution.