Monday

August 31, 2015
Posted by **Jojo** on Wednesday, May 23, 2007 at 10:00am.

I suppose this is actually

3x^2 -x-4

If so:

(3x-4)(x+1)

Now I'd like you to look at the following website:

http://tutorial.math.lamar.edu/AllBrowsers/1314/Factoring.asp