4i^2+19/7-4i

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Solution for 4i^2+19/7-4i equation: 


i in (-oo:+oo)

4*i^2-(4*i)+19/7 = 0

4*i^2-4*i+19/7 = 0

4*i^2-4*i+19/7 = 0

DELTA = (-4)^2-(19/7*4*4)

DELTA = -192/7

DELTA < 0

i belongs to the empty set

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