maction-05.mml

<?xml version="1.0" encoding="UTF-8"?>

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">  <maction actiontype="tooltip">    <mrow>      <msup>        <mi>x</mi>
        <mn>2</mn>
      </msup>
      <mo>−</mo>
      <mn>1</mn>
      <mo>=</mo>
      <mn>0</mn>     </mrow>     <mtext>(x − 1)(x + 1) = 0</mtext>   </maction> </math>