$$5 \sinh^{4}{\left(x \right)} \cosh{\left(x \right)}$$
3 / 2 2 \
5*sinh (x)*\sinh (x) + 4*cosh (x)/
$$5 \left(\sinh^{2}{\left(x \right)} + 4 \cosh^{2}{\left(x \right)}\right) \sinh^{3}{\left(x \right)}$$
2 / 2 2 \
5*sinh (x)*\12*cosh (x) + 13*sinh (x)/*cosh(x)
$$5 \cdot \left(13 \sinh^{2}{\left(x \right)} + 12 \cosh^{2}{\left(x \right)}\right) \sinh^{2}{\left(x \right)} \cosh{\left(x \right)}$$