Thực hiện phép chia: a) (4x^4y^2 – 6x^3y^3 – 2x^2y^4) : (–2x^2y^2);

a) (4x⁴y² – 6x³y³ – 2x²y⁴) : (–2x²y²)

= 4x⁴y² : (–2x²y²)– 6x³y³: (–2x²y²)– 2x²y⁴: (–2x²y²)

= ‒2x² + 3xy + y².