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8m^2+3m-5/4m^3+4m+1-5m-7/-4m^2-4m-1-4m-9/(1+2m)^2

8m^2+3m-5/4m^3+4m+1-5m-7/-4m^2-4m-1-4m-9/(2+2m)^28m^2+3-5/4m^3-5m+7/4m^2+36m:1+2n^239/4m^2+3m-5/4m^3-5m+36m/1+2m^239m^2+(1+2m^2)-8m*(1+2m^2)-5m^3*(1+2m^2)+154m/4(1+2m^2)39m^2+78m^4+136-16m^3-5m^3-10m^5/4+8m^2