Factorize and simplify

X³-y³

To factorize X³ - y³, we use the formula for difference of cubes:

X³ - y³ = (X - y)(X² + XY + y²)

Therefore, X³ - y³ can be factorized as (X - y)(X² + XY + y²).

There is no way to simplify this further.