Question

×2-4×+3=0 ??? ?????????????????????????

Answer 1

a=1 b=-4 c=3
delta=b^2-4.a.c
delta=-4^2-4.1.3
delta=-16-12
delta=4

x=4+2
—— =3
2
x=4-2
——=1
2

S=[3,1]