求解((-m-2m)/3)^3+m(-m-2m)^2/9-m^2*(-m-2m)/3+1=9

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求解((-m-2m)/3)^3+m(-m-2m)^2/9-m^2*(-m-2m)/3+1=9求解((-m-2m)/3)^3+m(-m-2m)^2/9-m^2*(-m-2m)/3+1=9求解((-m-2

求解((-m-2m)/3)^3+m(-m-2m)^2/9-m^2*(-m-2m)/3+1=9
求解((-m-2m)/3)^3+m(-m-2m)^2/9-m^2*(-m-2m)/3+1=9

求解((-m-2m)/3)^3+m(-m-2m)^2/9-m^2*(-m-2m)/3+1=9
((-m-2m)/3)^3+m(-m-2m)^2/9-m^2*(-m-2m)/3+1=9
((-3m)/3)^3+m(-3m)^2/9-m^2*(-3m)/3+1=9
-m^3+m^3+m^3=8
m^3=8
m=2