Problema Interessante sui Coefficienti del Polinomio

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2vf/ Traduzione in Italiano del Video Interesting Polynomial Coefficient Problem http://www.youtube.com/watch?v=hypi8QPsFEk http://www.khanacademy.org/video/interesting-polynomial-coefficient-problem?playlist=Algebra Help us caption & translate this video! http://amara.org/v/B2vf/