Question

6 a² +3 ab +56² - 2ab-b² + 2a?tual + 2b - az​

Answer 1

Step-by-step explanation:

12-Apr-2018 — (ii) (a – b)2 = a2 – 2ab + b2. ( iii) (a + b) (a – b) = a2 – b2. (iv) (x + a) (x + b) = x2 + (a + b) x + ab. (ii) Factorisation.