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6*x^2-((4/8)*x^2)+5*x-(10*x)+3 = 0
6*x^2+(-1/2)*x^2+5*x-10*x+3 = 0
11/2*x^2-5*x+3 = 0
DELTA = (-5)^2-(3*4*11/2)
DELTA = -41
DELTA < 0
x belongs to the empty set
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