**Simplify the following rational expression and express in *expanded form*.**
$\dfrac{4m^2-14m+12}{12m^2-27}=$ [[☃ expression 1]]
**Which real values of $m$ make the expression undefined?**
[[☃ radio 1]]
Learn To Be brings free online tutoring students around the United States. Volunteer and gain community service hours while helping students who need it./p>