Thanks for the link. 

[Codecogs editor](https://www.codecogs.com/latex/eqneditor.php) approach seems to work. Based on one the answers in your link.

![\Large x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}](https://latex.codecogs.com/svg.latex?\Large&space;x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}) 

south_korea_ln

BooksAndArticles

Mathematical poetry

StillStackinAfterAllTheseYears

Looks like there's a [long discussion on StackOverflow](https://stackoverflow.com/questions/11256433/how-to-show-math-equations-in-general-githubs-markdownnot-githubs-blog) about this. The consensus seems to be to stick with hosted images of the math you want to use.