MathML is ridiculous

This needs no further comment. The quadratic formula says it all. If you think MathML is good, please do the world a favor and keep away from computing.

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <apply><in/>
    <ci>x</ci>
    <set>

      <apply><divide/>
    <apply><plus/> <!-- upper root -->
      <apply><minus/>
        <ci>b</ci>
      </apply>
      <apply><root/>
        <apply><minus/>
          <apply><power/>
        <ci>b</ci>
        <cn>2</cn>
          </apply>
          <apply><times/>
        <cn>4</cn>
        <ci>a</ci>
        <ci>c</ci>
          </apply>
        </apply>
      </apply>
    </apply>
    <apply><times/>
      <cn>2</cn>
      <ci>a</ci>
    </apply>
      </apply>

      <apply><divide/>
    <apply><minus/> <!-- lower root -->
      <apply><minus/>
        <ci>b</ci>
      </apply>
      <apply><root/>
        <apply><minus/>
          <apply><power/>
        <ci>b</ci>
        <cn>2</cn>
          </apply>
          <apply><times/>
        <cn>4</cn>
        <ci>a</ci>
        <ci>c</ci>
          </apply>
        </apply>
      </apply>
    </apply>
    <apply><times/>
      <cn>2</cn>
      <ci>a</ci>
    </apply>
      </apply>

    </set>
  </apply>
</math>