Respuesta :

Answer:

-0.17157287525

Step-by-step explanation:

1. The square root of 8 will never be a whole number so it is 2.82842712475

2. Square root of 9 is 3.

3. You can already realize that the answer will not be whole or positive

4. Subtract in order.

5. The answer is -0.17157287525