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(5/2)*x^2-((3/2)*x^2)-((3/4)*x)+(1/4)*x+1+4 = 0
(5/2)*x^2+(-3/2)*x^2+(-3/4)*x+(1/4)*x+1+4 = 0
x^2-1/2*x+5 = 0
DELTA = (-1/2)^2-(1*4*5)
DELTA = -79/4
DELTA < 0
x belongs to the empty set
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