Disclaimer Rectify Q-3 Part ii last two steps = -3x^n (x^n -4) -1(x^n -4) = -(x^n -4)(3x^n -1) x^n means x power/exponent n Muhammad Sajid Amazai | Chapter 5 | Exercise 5.3 | Factorization | IX and X Mathematics | 9th and 10th Mathematics | Sindh Board | Al-Shams Public School | Gulshan-e-Hadeed Phase 2 #Mathematics #SindhBoard #Factorization Title: 0:00 Q-1 (i): (0:11) Q-1 (ii): (5:40) Q-1 (iii): (11:08) Q-1 (iv): (14:30) Q-1 (v): (14:41) Q-1 (vi): (14:52) Q-2 (i): (15:04) Q-2 (ii): (16:07) Q-2 (iii): (16:18) Q-3 (i): (17:13) Q-3 (ii): (17:16) Q-3 (iii): (18:08) Q-4 (i): (18:18) Q-4 (ii): (21:49) Q-4 (iii): (22:01) Q-4 (iv): (22:09)