<p>This is <math xmlns="http://www.w3.org/1998/Math/MathML" alttext="f left-parenthesis x right-parenthesis equals a x cubed plus b x squared plus c x plus d">
  <mi>f</mi>
  <mo stretchy="false">(</mo>
  <mi>x</mi>
  <mo stretchy="false">)</mo>
  <mo>=</mo>
  <mi>a</mi>
  <mrow class="MJX-TeXAtom-ORD">
    <msup>
      <mi>x</mi>
      <mn>3</mn>
    </msup>
  </mrow>
  <mo>+</mo>
  <mi>b</mi>
  <mrow class="MJX-TeXAtom-ORD">
    <msup>
      <mi>x</mi>
      <mn>2</mn>
    </msup>
  </mrow>
  <mo>+</mo>
  <mi>c</mi>
  <mi>x</mi>
  <mo>+</mo>
  <mi>d</mi>
</math> something!</p>
