Question

x cube divided by 8 + y cube divided by 27

Answer 1

Hi ,

x³ / 8 + y³ /27

= ( x/2 )³ + ( y/3 )³

= ( x/2 + y/3 )[ ( x/2 )²-(x/2)(y/3)+(y/3)² ]

= ( x/2 + y/3 ) [ x²/4 - xy/6 + y²/9 ]

I hope this helps you.

:)