90. Factorise the following, using the identity a^2 – 2ab + b^2 = (a – b)^2. (ii) x^2 – 10x + 25 90. Factorise the following using the identity a^2 – 2ab + b^2 = (a – b)^2. (ii) x^2 – 10x + 25 July 27, 2021 Category: Chapter 14 - Factorisation , Chapter 9 [...]