MathJax Output Modes Compared
HTML-CSS:
\[x = {-b\pm\sqrt{b^2-4ac} \over 2a}\]
SVG:
\[x = {-b\pm\sqrt{b^2-4ac} \over 2a}\]
MathML:
\[x = {-b\pm\sqrt{b^2-4ac} \over 2a}\]