Найдите разность многочленов:

\(\displaystyle \left(13s^{\,3}t+17s^{\,4}t^{\,2}\right)-\left(15s^{\,4}t^{\,2}+5s\right)=\)[ ]\(\displaystyle s^{\,3}t+\)[ ]\(\displaystyle s^{\,4}t^{\,2}-5s\)