-2m^3+24m^-72m求解!
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-2m^3+24m^-72m求解!-2m^3+24m^-72m求解!-2m^3+24m^-72m求解!-2m^3+24m^-72m=-2m(m^2-12m+36)=-2m(m-6)^2
-2m^3+24m^-72m求解!
-2m^3+24m^-72m求解!
-2m^3+24m^-72m求解!
-2m^3+24m^-72m
=-2m(m^2-12m+36)
=-2m(m-6)^2
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