Question

( x + 3 )³ - ( x³ + y³ )​ guys please help

Answer 1

x³ + y³ + 3xy(x + y) - x³ - y³

= 3xy(x + y)

=  3x²y + 3xy²

Hope it helps u...

PLZ Mark as Brainliest....

Answer 2

Question- (x+y)cube -(x cube +y cube)

formula- x cube + 3 cube + 3x into (x -3 ) =( x +3 ) cube..

(x+y) [x square- xy+ y square]=(x cube+ y cube)..

so=x cube +3 cube + 3x into 3 ( x- 3) [x square- xy + y square]

solve it...

hope this help you..