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((3*m^5*n^4)/(m^0))*n^-3 = 0
((3*m^5*n^4)/(m^0))*n^-3 = 0
((3*m^5*n^4)/(m^0))*n^-3 = 0
3*m^5*n^-3*n^4 = 0
3*m^5*n = 0
x należy do R
x belongs to the empty set
(((3*m^5*n^4)/(m^0))*n^-3)^-2 = 0
x belongs to the empty set
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