Can You Simplify (x-y)(x^2+5y-6)?

(x - y)(x² + 5y - 6)
Multiply the x times x² + 5y -6 then multiply -y times it.
X³ + 5xy - 6x - x²y - 5y² + 6y

Our you can do it up and down (see below).
  X² + 5y - 6
  x - y
------
     - x²y   - 5y² + 6y
x³   + 5xy - 6x
------
x³ - x²y + 5xy - 6x - 5y² + 6y