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x in (-oo:+oo)
4*x^200 = 1/6-1000 // - 1/6-1000
4*x^200-(1/6)+1000 = 0
4*x^200-1/6+1000 = 0
4*x^200 = -5999/6 // : 4
x^200 = -5999/24
x belongs to the empty set
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