Respuesta :

Answer:

c = 36

Step-by-step explanation:

To create a perfect square trinomial.

Add (half the coefficient of the x- term)² to x² - 12x

x² + 2(- 6) + (- 6)²

= x - 12x + 36, thus

x² - 12x + 36

= (x - 6)²

Answer:

D-(36)on ed :)

Step-by-step explanation: