Question

Factorise: a – b –a^3 + b^3​

Answer 1

Step-by-step explanation:

Given a^3 +b^3 +a + b.

a3 + b3 = (a + b) (a^2 - ab + b^2 ).

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

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