<!DOCTYPE html> <html> <head> <metacharset="utf-8"> <metaname="viewport"content="width=device-width"> <title>MathJax example</title> <scriptsrc="https://polyfill.io/v3/polyfill.min.js?features=es6"></script> <scriptid="MathJax-script"async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"> </script> </head> <body> <p> When \(a \ne 0\), there are two solutions to \(ax^2 + bx + c = 0\) and they are \[x = {-b \pm \sqrt{b^2-4ac} \over 2a}.\]