<?xml version="1.0" encoding="utf-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd" >
	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head>
<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8" />
<title>MathML Example</title>
<style type="text/css">
	math {font-size:1.5em;}
</style>
</head>
<body>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mrow>
<mi>x</mi>
<mo>=</mo>

<mfrac>
<mrow>
  <mo>-</mo>
  <mi>b</mi>
  <mo>&plusmn;</mo>
  <msqrt>
	<mrow>
	  <msubsup>
		<mi>b</mi>

		<mrow/>
		<mn>2</mn>
	  </msubsup>
	  <mo>-</mo>
	  <mn>4</mn>
	  <mi>a</mi>
	  <mi>c</mi>

	</mrow>
  </msqrt>
</mrow>
<mrow>
  <mn>2</mn>
  <mi>a</mi>
</mrow>
</mfrac>
</mrow>
</math><p>Quadratic Formula</p>

</body>
</html>
