Answer:
y = (x+4)^2 -19
Step-by-step explanation:
y = x^2 + 8x + 16 – 3 – 16
You are almost done with completing the square
y = (x^2 + 8x + 16) – 19
= (x+4)^2 -19
This is in vertex form y= a(x-h)^2 +k where (h,k) is the vertex
