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Ucefkh · Answer 1 · 2018-08-16T08:20:02+0000

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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