3k^2-8k-28 = 0
D = 400
k1 = (8-20) /6= -2
k2 = (8+20) /6= 14/3
(k+2) (3k-14)
-2m^2+5m-3 = 0
D = 1
m1 = (-5-1) / -4= 3/2
m2 = (-5+1) / -4= 1
- (m-1) (2m-3)
3k^2-8k-28 = 0
D = 400
k1 = (8-20) /6= -2
k2 = (8+20) /6= 14/3
(k+2) (3k-14)
-2m^2+5m-3 = 0
D = 1
m1 = (-5-1) / -4= 3/2
m2 = (-5+1) / -4= 1
- (m-1) (2m-3)