Răspuns :
x^3+3x^2-4x=0
x(x^2+3x-4)=0
Varianta 1: x=0
Varianta 2: x^2+3x-4=0
Delta=9+16=25
x1=(-3+5)/2=1
x2=(-3-5)/2=-4
SOLUTII={-4,0,1}
x(x^2+3x-4)=0
Varianta 1: x=0
Varianta 2: x^2+3x-4=0
Delta=9+16=25
x1=(-3+5)/2=1
x2=(-3-5)/2=-4
SOLUTII={-4,0,1}