2
15*cosh (5*x - 6)*sinh(5*x - 6)
$$15 \sinh{\left(5 x - 6 \right)} \cosh^{2}{\left(5 x - 6 \right)}$$
/ 2 2 \
75*\cosh (-6 + 5*x) + 2*sinh (-6 + 5*x)/*cosh(-6 + 5*x)
$$75 \left(2 \sinh^{2}{\left(5 x - 6 \right)} + \cosh^{2}{\left(5 x - 6 \right)}\right) \cosh{\left(5 x - 6 \right)}$$
/ 2 2 \
375*\2*sinh (-6 + 5*x) + 7*cosh (-6 + 5*x)/*sinh(-6 + 5*x)
$$375 \left(2 \sinh^{2}{\left(5 x - 6 \right)} + 7 \cosh^{2}{\left(5 x - 6 \right)}\right) \sinh{\left(5 x - 6 \right)}$$