Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2wQ/ Traduzione in Italiano del video Partial Fraction Expansion 1 http://www.youtube.com/watch?v=S-XKGBesRzk http://www.khanacademy.org/video/partial-fraction-expansion-1?playlist=Algebra Help us caption & translate this video! http://amara.org/v/B2wQ/