Раскройте скобки: \( -8\cdot(t-m\,)^2=\)?\( t^{\,2}\) ?\( tm\) ?\( m^{\,2}\)

Задание

Раскройте скобки:

\(\displaystyle -8\cdot(t-m\,)^2=\)[?||-][ ]\(\displaystyle t^{\,2}\) [?|+|-][ ]\(\displaystyle tm\) [?|+|-][ ]\(\displaystyle m^{\,2}\)