e are two solutions to \(ax^2 + bx + c = 0\) and they are
            $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$
          </box>
        </div>
        <overlay-source id="page-nav" tag-name="nav" to="page-nav">
          <div class="nav-component slim-scroll">
          </div>
        </overlay-source>
        <scroll-top-button></scroll-top-button>
      </div>
      <div>
        <footer>
          <h1 id="heading-in-footer-should-not-be-indexed">Heading in footer should not be indexed<a class="fa fa-anc