Раскройте скобки: \( 5\cdot(3r+4s\,)^2=\)?\( r^{\,2}\) ?\( rs\) ?\( s^{\,2}\)

Задание

Раскройте скобки:

\(\displaystyle 5\cdot(3r+4s\,)^2=\)[?||-][ ]\(\displaystyle r^{\,2}\) [?|+|-][ ]\(\displaystyle rs\) [?|+|-][ ]\(\displaystyle s^{\,2}\)