Question

Factorize :-

(5a-7b)3+(9c-5a)3+(7b-9c)3

Answer 1

$\huge\bold{ANSWER~:}$

$= {(5a - 7b)}^{3} + (9c - 5a) {}^{3} + (7b - 9c) {}^{3} \\ \\ =$