Question

factorise (a-b)3 +(b-c)3+(c-a)3

Answer 1

Hello!

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

= 3a - 3b + [3b - 3c] + [3c - 3a]

= 3a - 3b + 3b - 3c + 3c - 3a

= 0


I hope it helped.

Thank You!