Question

if X + Y + Z = 9 find the value of (3 - X)3 +( 3- y )3 +( 3 - Z )3 - 3(3 - X) ( 3 - y )( 3 - 7)​

Answer 1

if X + Y + Z = 9 find the value of (3 - X)3 +( 3- y )3 +( 3 - Z )3 - 3(3 - X) ( 3 - y )( 3 - 7)​