Найдите разность многочленов:

\(\displaystyle \left(15st^{\,3}+14t^{\,5}\,\right)-\left(4st^{\,3}-9t^{\,5}\,\right)=\)[?||-][ ]\(\displaystyle st^{\,3}\)[?|+|-][ ]\(\displaystyle t^{\,5}\)