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27*X^2-((16/9)*X)-4+24 = 0
27*X^2+(-16/9)*X-4+24 = 0
27*X^2-16/9*X+20 = 0
DELTA = (-16/9)^2-(4*20*27)
DELTA = -174704/81
DELTA < 0
X belongs to the empty set
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