Posted by mike on .
Short answer find the quotient
6x^3x^27x9

2x+3

intermediate algebra 
Reiny,
Here is a very good YouTube by Khanacademy
that shows long algebraic division.
http://www.youtube.com/watch?v=4u8_AMacuY
You should get 3x^2  5x + 4 with a remainder of 21