Найдите пропущенные значения:

\(\displaystyle (14s^{\,12}-11s^{\,23})(7s^{\,7}-2s^{\,3})=\)

\(\displaystyle =\)[?||-][ ]\(\displaystyle (7s^{\,7}-2s^{\,3})\)[?|+|-][ ]\(\displaystyle (7s^{\,7}-2s^{\,3})\)