LaTeX examples (via MathJax) in write.as/writefreely blogs

From the write.as or writefreely blog's Customize page, there is a checkbox for MathJax support.

An example of an inline equation.

CDM

$θ φ θ φ θ φ$

Block mode is also supported: $θ φ θ φ θ φ$

When , there are two solutions to (ax^2 + bx + c = 0) and they are