Asap 25 pts + brainliest to right/best answer

d  y = (x-3) ^2 -3

Step-by-step explanation:

y = x^2 -6x+6

Complete the square to help find the vertex form

b= -6

b^2/2 = (-6/2) ^2 = (-3)^2 =9

We need to add 9  (and then subtract 9)

y = x^2 -6x +9+6 -9

y = (x^2 -6x +9)-3

We know that (x-b/2) ^2 is what we have now

y = (x-3) ^2 -3