Question

Factorise: (2x − 5y)^3 + (5y − 7z)^3 + (7z − 2x)^3

Answer 1

Answer:

( 2x )^3 - ( 5y )^3 + (5y)^3 - ( 7z )^3 + (7z )^3 - (2x )^3

( 2x )^3 - (2x)^3 - (5y)^3 + (5y)^3 - (7z)^3 + (7z)^3

= 0

HOPE YOU WILL UNDERSTAND.........