Thực hiên phép chia (7y^5z^2 – 14y^4z^3 + 2,1y^3z^4) : (−7y^3z^2).

Ta có (7y⁵z² – 14y⁴z³ + 2,1y³z⁴) : (−7y³z²)

= 7y⁵z² : (−7y³z²) – 14y⁴z³ : (−7y³z²) + 2,1y³z⁴ : (−7y³z²)

= −y² + 2yz – 0,3z².