x/5-4-x2

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Solution for x/5-4-x2 equation: 


x in (-oo:+oo)

x/5-x^2-4 = 0

1/5*x-x^2-4 = 0

DELTA = (1/5)^2-(-4*(-1)*4)

DELTA = -399/25

DELTA < 0

x belongs to the empty set

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