Respuesta :

ghanami
hello : 
 20x²-39x+80=0
 a = 20   b = -39   c = 80

 the discriminant  b²-4ac  = (-39)²-4(20)(80)=1521-6400 = - 4879 < 0 
 no solution in : R 
but in  C    the product of the solutions of this equation is ; c/a = 80/20=4

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