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(2*x^2)/2+(5*x)/4 = -3/4 // + -3/4
(2*x^2)/2+(5*x)/4-(-3/4) = 0
(2*x^2)/2+(5*x)/4+3/4 = 0
x^2+5/4*x+3/4 = 0
DELTA = (5/4)^2-(3/4*1*4)
DELTA = -23/16
DELTA < 0
x belongs to the empty set
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