Х^6-y^6 ------------ x^3+y^3

Question

Х^6-y^6
------------
x^3+y^3

Answer 1

х^6-y^6      ( x^3+y^3)( x^3-y^3)       
------------= -----------------------------  = x^3 - y^3
x^3+y^3      x^3+y^3