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(1/2)*x^2-(3*x)+5 = 0
(1/2)*x^2-3*x+5 = 0
1/2*x^2-3*x+5 = 0
DELTA = (-3)^2-(1/2*4*5)
DELTA = 9-10
DELTA = -1
DELTA < 0
x belongs to the empty set
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