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(5*x^1)/3-((x^2)/3)-54 = 0
(5*x)/3-((x^2)/3)-54 = 0
5/3*x-1/3*x^2-54 = 0
DELTA = (5/3)^2-(-54*(-1/3)*4)
DELTA = -623/9
DELTA < 0
x belongs to the empty set
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