Раскройте скобки: \( -14\cdot(d-k\,)^2=\)?\( d^{\,2}\) ?\( dk\) ?\( k^{\,2}\)

Задание

Раскройте скобки:

\(\displaystyle -14\cdot(d-k\,)^2=\)[?||-][ ]\(\displaystyle d^{\,2}\) [?|+|-][ ]\(\displaystyle dk\) [?|+|-][ ]\(\displaystyle k^{\,2}\)