Respuesta :

Answer:

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

Step-by-step explanation:

y = x^2 + 12x + 27

Completing the square:

y = (x + 6)^2 - 36 + 27

y = (x + 6)^2 - 9    <----- vertex form.

RELAXING NOICE
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