Sagot :
F(x)=(2x-3)(x+2)
= 2x²+4x-3x-6 = 2x²+x-6
delta = 49
racine(delta) = 7
x1 = -2
x2 = 1,5
g(x)=2x-3
x = 1,5
= 2x²+4x-3x-6 = 2x²+x-6
delta = 49
racine(delta) = 7
x1 = -2
x2 = 1,5
g(x)=2x-3
x = 1,5