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(1/12)*x^2-((1/12)*x)+10 = 0
(1/12)*x^2+(-1/12)*x+10 = 0
1/12*x^2-1/12*x+10 = 0
DELTA = (-1/12)^2-(1/12*4*10)
DELTA = -479/144
DELTA < 0
x belongs to the empty set
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