1)D = 37.21 -4*3*(-5.4)=102.01
x = (-6.1-10.1)/6=-2.7
x = (-6.1+10.1)/6=2/3
2)x(7x -1/5)=0
x = 0 7x -1/5=0
x = 1/35
1)D = 37.21 -4*3*(-5.4)=102.01
x = (-6.1-10.1)/6=-2.7
x = (-6.1+10.1)/6=2/3
2)x(7x -1/5)=0
x = 0 7x -1/5=0
x = 1/35