Question

factorise (a+b)^3-a-b​

Answer 1

Answer:

Step-by-step explanation:

(a + b)^3 - a - b = (a + b)^3 - (a + b)

= (a + b)[(a + b)^2 - 1]

= (a + b)(a + b - 1)(a + b + 1)