Répondre :
2x² + 18x - * x² = 0
(2-pi)x² + 18x = 0
a = 2-pi
b = 18
c = 0
delta=b²-4ac = 324
racine(delta) = 18
x1 = (-b+racine(delta))/2a = 0
x2 = (-b-racine(delta))/2a = 15,76745
(2-pi)x² + 18x = 0
a = 2-pi
b = 18
c = 0
delta=b²-4ac = 324
racine(delta) = 18
x1 = (-b+racine(delta))/2a = 0
x2 = (-b-racine(delta))/2a = 15,76745