8. FS+ Mathematics M2 Chapter 3 Polynomials – Pelangi Teacher Resources

1

(7x – 3y² + z) + (-3x + 4y² – 9z) + (-7x² + 3y – 12z) =

- y² + 7x² + 4x – 19z
- y² – 7x² + 4x – 20z
- y² – 7x² + 10x – 20z
- 7y² – 7x² + 4x – 20z