Question

(a+b)^3-a-b factorise​

Answer 1

Answer:

(a+b)³ - a - b

(a+b)³ -1(a+b)

(a+b)[(a+b)² - 1]

(a+b)[(a+b)² - (1)²]

(a+b)(a+b+1)(a+b - 1). {using the identity of (a² - b²)}