Respuesta :

Answer:

0

Step-by-step explanation:

discriminant = b^2 - 4ac

12^2 - 4 × (-3)×(-12) ➡ 144 - 144 = 0

Answer:

0

Step-by-step explanation:

-3x²+12x−12=0

discriminant D,

= b² - 4ac

= 12² - 4(-3)(-12)

= 144 - 4(3)(12)

= 144 - 144

= 0