Mathematics <br />Solution for 9th Class Text Book, Unit 5, Ex:5.2, Questions: 11-21 <br />According to the syllabus of Punjab Text Book Board, Pakistan. <br />Edition: March 2010 <br />Topics covered: Factorization, factoring trinomial, factoring by grouping, quadratic <br />This video is in Urdu to help students of Pakistan. <br />www.mubasheralam.org