Раскройте скобки: \( 5\cdot(9u-4m\,)^2=\)?\( u^{\,2}\) ?\( um\) ?\( m^{\,2}\)

Задание

Раскройте скобки:

\(\displaystyle 5\cdot(9u-4m\,)^2=\)[?||-][ ]\(\displaystyle u^{\,2}\) [?|+|-][ ]\(\displaystyle um\) [?|+|-][ ]\(\displaystyle m^{\,2}\)