Răspuns :
x^2+2x-24=0
delta=b^2-4ac
delta=4-4*1*(-24)
delta=4+96
delta=100
x1=-b+rad delta/2a
x1=-2+10/2
x=8/2
x1=4
x2=-b-rad delta/2a
x2=-2-10/2
x2=-12/2
x2=-2
delta=b^2-4ac
delta=4-4*1*(-24)
delta=4+96
delta=100
x1=-b+rad delta/2a
x1=-2+10/2
x=8/2
x1=4
x2=-b-rad delta/2a
x2=-2-10/2
x2=-12/2
x2=-2