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  1. a=int(input())
  2. b=int(input())
  3. c=int(input())
  4. print((b**2-4*a*c)**(0.5)-b/2*a)
  5. print(-(b**2-4*a*c)**(0.5)-b/2*a)
Success #stdin #stdout 0.13s 14124KB
stdin
1
-2
-3
stdout
5.0
-3.0