<p>This is <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>f</mi><mo stretchy='false'>(</mo><mi>x</mi><mo stretchy='false'>)</mo><mo>=</mo><mi>a</mi><mrow><msup><mi>x</mi><mn>3</mn></msup></mrow><mo>+</mo><mi>b</mi><mrow><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>