Упростите выражение:
\(-9\textit{m}v^2+2\textit{m}v^3-(-3v^2+10\textit{m}v^2-4\textit{m}v^3)+\textit{m}v^3.\)

• \(-19\textit{m}v^2+7\textit{m}v^3+3v^2\)
• \(7\textit{m}v^2-19\textit{m}v^3+3v^2\)
• \(-19\textit{m}v^2+6\textit{m}v^3-3v^2\)
• \(\textit{m}v^2-2\textit{m}v^3+3v^2\)