2
36*cosh (4*x)*sinh(4*x)
$$36 \sinh{\left(4 x \right)} \cosh^{2}{\left(4 x \right)}$$
/ 2 2 \
144*\cosh (4*x) + 2*sinh (4*x)/*cosh(4*x)
$$144 \left(2 \sinh^{2}{\left(4 x \right)} + \cosh^{2}{\left(4 x \right)}\right) \cosh{\left(4 x \right)}$$
/ 2 2 \
576*\2*sinh (4*x) + 7*cosh (4*x)/*sinh(4*x)
$$576 \left(2 \sinh^{2}{\left(4 x \right)} + 7 \cosh^{2}{\left(4 x \right)}\right) \sinh{\left(4 x \right)}$$