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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
(3*x)/x-((2*x)/x)-5-2 = 0
(3*x)/x-5-2-2 = 0
-6 = 0
x belongs to the empty set
x belongs to the empty set
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