Раскройте скобки: \( -27\cdot(g-v\,)^2=\)?\( g^{\,2}\) ?\( gv\) ?\( v^{\,2}\)

Задание

Раскройте скобки:

\(\displaystyle -27\cdot(g-v\,)^2=\)[?||-][ ]\(\displaystyle g^{\,2}\) [?|+|-][ ]\(\displaystyle gv\) [?|+|-][ ]\(\displaystyle v^{\,2}\)