92. Factorise the following using the identity a^2 – b^2 = (a + b) (a – b). (viii) x^2/9 – y^2/ 25 92. Factorise the following using the identity a^2 – b^2 = (a + b) (a – b). (viii) x^2/9 - y^2/ 25 July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 [...]