Question

What is the vertex form of y = 3x^2 – 12x + 5
I would like some help on how to solve this problem in steps.

Thanks!

Answer 1

3x^2 - 12x + 5
3(x^2 - 4x) + 5
now add and subtract 3*4
3(x^2-4x+4) + 5 - 12
3(x-2)^2 - 7

Answer 2

Thanks! This really helped!

Answer 3

May I have your help on two more problems?