http://www.mathsisfun.com/algebra/polynomials.html
http://www.youtube.com/watch?v=IDpnNnjFB1c
http://www.coolmath.com/algebra/algebra-practice-polynomials.html
http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut6_poly.htm
http://tutorial.math.lamar.edu/Classes/Alg/Polynomials.aspx
