1. (3x²y²)(-2xyz)

2. (5ab) (8c²d²)(-ab)

3. (5x - y) (3x + y)

4. (2x²y + 6) (x³y² + 4)

5. (²x² - 1x) (²x² - 4x) 8

6. (a²b + ab) (a²b + 2ab - 6) 1

7. (-²/x³ + 10) (x³ − 2)

Ayudaaaaaa! plis​