Найдите пропущенные значения:
\(\displaystyle (3s^{\,2}t^{\,3}u-5t^{\,14}u^{\,2})(7t^{\,13}u^{\,10}-15st^{\,2}u^{\,3})=\)
\(\displaystyle =\)[?||-][ ]\(\displaystyle (7t^{\,13}u^{\,10}-15st^{\,2}u^{\,3})\)[?|+|-][ ]\(\displaystyle (7t^{\,13}u^{\,10}-15st^{\,2}u^{\,3})\)