Respuesta :

Answer:

5

Step-by-step explanation:

if ax^2 +bx + c ====>discriminant formula is b^2 - 4ac  from the quadratic formula

x2 + 3x + 1 = 0

Then;

a=1

b=3

c=1

b^2 - 4ac = 3^2 -4*1*1

= 9-4

= 5