0a1,4
> For a=  2.000, b=  5.000, c=  1.000: Two solutions for x:  -0.219 and  -2.281
> For a=  2.000, b=  4.000, c=  2.000: One solution for x:  -1.000
> For a=  5.500, b=  8.000, c=  2.200: Two solutions for x:  -0.368 and  -1.086
> For a= -2.000, b=  5.000, c= -3.000: Two solutions for x:   1.000 and   1.500
2a7
> For a=  5.000, b= 10.000, c=  0.000: Two solutions for x:   0.000 and  -2.000
3a9
> ERROR: Input must have 3 coefficients, line read had 2
5d10
< For a=  6.457, b=  7.735, c=100.787: Two solutions for x:   0.000 and  -2.000