(3x+1)(6-4x)=014x-12x^2+6=0
D=14^2-4*(-12)*6=196+288=484
x1=(22-14)/(2*(-12))=-1/3x2=(-22-14)/(2*(-12))=1.5
(3x+1)(6-4x)=0
14x-12x^2+6=0
D=14^2-4*(-12)*6=196+288=484
x1=(22-14)/(2*(-12))=-1/3
x2=(-22-14)/(2*(-12))=1.5