lol, i also have these

Factor the polynomial x2 + 3x – 18. Which one of the following is a factor?

Factor the polynomial 12x2 + 11x – 5 completely.

Factor the polynomial 18a2b – 4ab + 10a completely

Factor the polynomial 2x2 – 50 completely.

Here's a couple sites that may really help you:

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

http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut7_factor.htm