MathML Experiment

This is a sample of MathML embedded in a post:

Presentation MathML:

$$
x=



-
b

±


b
2

-

4
⁢
a
⁢
c




2
⁢
a





Content MathML:

$$


x




±



b







b
2



4
a
c


0.5




2
a




x=\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}


x={-b plusminus sqrt {b^2 - 4 ac}} over {2 a}