MathJax trial post

A blogger post with ASCIIMathML input, MathJax output

If `ax^2+bx+c = 0`, then

`x=(-b+-sqrt(b^2-4ac))/(2a)`

Some random text

This is the script I put at the top of the post:

<script src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=AM_HTMLorMML"></script>