Найдите пропущенные значения:

\(\displaystyle (-55t^{\,34}-41t^{\,41})(21t^{\,12}+44t^{\,51})=\)

\(\displaystyle =\)[?||-][ ]\(\displaystyle (21t^{\,12}+44t^{\,51})\)[?|+|-][ ]\(\displaystyle (21t^{\,12}+44t^{\,51})\)