Question

factorise a-b-a^3-b^3​

Answer 1

a-b-a^3-b^3

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

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

=(a-b) - [(a+b) {(a-b)^2+ab}]

Answer 2

Step-by-step explanation:

a-b-a^3+b^3

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

= (a-b)-{(a-b)(a^2+b^2+ab)}

[applying simple formula]

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

[taking a-b as common](Ans.)