U think it’s 40 cuz 8 x40 equal 320 ;-; if it’s wrong my name will come to use
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:

No, Lily is not correct. This is because 16+3 does not equal 18. So to find N, you take 18 and subtract 16.
18-16=n
18-16=2
so n=2
16+2=18.
Answer:
Maybe try 23-9. Or maybe the answer is 23, hopefully this helped.
Step-by-step explanation: