If you want to wrap text, then you can try like this..
<div id="math">
$$x={-b±√{b^2-4ac}}/{2a}$$
<br />
$$\text' A little bit of text that goes along with this.'$$
</div>
or simply do this
<div id="math">
$$x={-b±√{b^2-4ac}}/{2a}$$
<br />
A little bit of text that goes along with this.
</div>