Répondre :
On a:
a = 4
b = 0
c = 36
delta = b² - 4ac = 576
racine(delta) = 24
Racines de l'équation
-------------------------------
x1 = (-b+racine(delta))/2a = 3
x2 = (-b-racine(delta))/2a = -3
a = 4
b = 0
c = 36
delta = b² - 4ac = 576
racine(delta) = 24
Racines de l'équation
-------------------------------
x1 = (-b+racine(delta))/2a = 3
x2 = (-b-racine(delta))/2a = -3