There are different ways you can write these numbers all you do is go by what the number says and think about it.
EX1) 12-5=7
EX2) 12-7=5
That easy 56.8.895 because when u add all the steps u find u answer so don’t let it fool u
ANSWER

EXPLANATION
The given function is:

Factor -3 for the first 2 terms.

We add and subtract the square of the coefficient of x.

Factor the perfect square trinomial.

The vertex form is:

Answer:
The bottom left box is 2.997, and then I guess you can do 0+3=3 for the right side
Step-by-step explanation:
With the boxes given, you do math for the left side to get 2.997. and then for the right side, if you are rounding to the nearest whole number, do 0+3=3. without context it is pretty confusing