question_answer

What should be subtracted from \[\mathbf{3}{{\mathbf{m}}^{\mathbf{2}}}-\text{ }\mathbf{4}{{\mathbf{m}}^{\mathbf{3}}}+\text{ }\mathbf{m}\text{ }-\text{ }\mathbf{9}\] to obtain\[\mathbf{4}{{\mathbf{m}}^{\mathbf{2}}}-\text{ }\mathbf{2m}\text{ }+\mathbf{3}{{\mathbf{m}}^{\mathbf{3}}}-\text{ }\mathbf{12}\]?

A) \[-7{{m}^{2}}+7{{m}^{3}}+3m-3\]

B) \[-{{m}^{2}}-7{{m}^{3}}-3m+3\]

C)  \[-{{m}^{2}}-7{{m}^{3}}+3m-3\]    

D)  \[-7{{m}^{2}}+\text{ }7{{m}^{3}}-3m+3\]

E)  None of these