Question

only the circle one please help me​

Answer 1

Answer:

- 10x² - 7x² + 16z² ANS.

Step-by-step explanation:

- 8x² - 2y² + 9z² - (2x² + 5y² - 7z²)

- 8x² - 2y² + 9z² - 2x² - 5y² + 7z²

- 8x² - 2x² - 2y² - 5y² + 9z² + 7z²

- 10x² - 7y² + 16z² ans.