Question

Y= -3x²+6x-3
e
Y= -3x²+12x​

Answer 1

sendo:

-3x² + 6x - 3 = 0

simplifique

x² - 2x + 1 = 0

fatore

(x - 1)² = 0

a raiz

x = 1

-3x² + 12x​ = 0

3x² - 12x = 0

simplifique

x²  - 4x = 0

fatore

x * (x - 4) = 0

as raízes:

a1 = 0

x2 = 4