Answer:
2 division symbol 3 -4 9
Explanation:

To do synthetic division, we write the coefficient of all the terms inside
The coefficient of 3x^2 - 4x +9 are 3 , -4 and 9
We divide by x-2
x-2=0 so x=2
We divide by 2 using synthetic division
we put 2 outside
2 division symbol 3 -4 9