Question

(a+b)³–a–b in factorise​

Answer 1

please mark this answer as a brain list answer

Answer 2

Answer:

(a+b)(a^2+b^2-ab-1)

Step-by-step explanation:

(a+b)³–a–b

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

=(a+b) { (a+b)^2-1)

=(a+b)(a^2+b^2+2ab-1)