Question

factorisation (a+b)^3-a-b ​

Answer 1

Step-by-step explanation:

(a+b)^3-a-b. Factor out the negative sign. (a+b)^3-(a+b). Factor out the (a+b) term. (a+b)[(a+b)^2–1]. Notice the difference of two squares (A^2-B^2 = (A+B)(A-B).