/ 3\ 4 / 3\
2*x*sinh\x / + 3*x *cosh\x /
$$3 x^{4} \cosh{\left(x^{3} \right)} + 2 x \sinh{\left(x^{3} \right)}$$
/ 3\ 3 / / 3\ 3 / 3\\ 3 / 3\
2*sinh\x / + 3*x *\2*cosh\x / + 3*x *sinh\x // + 12*x *cosh\x /
$$3 x^{3} \left(3 x^{3} \sinh{\left(x^{3} \right)} + 2 \cosh{\left(x^{3} \right)}\right) + 12 x^{3} \cosh{\left(x^{3} \right)} + 2 \sinh{\left(x^{3} \right)}$$
2 / / 3\ 6 / 3\ 3 / 3\\
3*x *\20*cosh\x / + 9*x *cosh\x / + 36*x *sinh\x //
$$3 x^{2} \left(9 x^{6} \cosh{\left(x^{3} \right)} + 36 x^{3} \sinh{\left(x^{3} \right)} + 20 \cosh{\left(x^{3} \right)}\right)$$
2 / / 3\ 6 / 3\ 3 / 3\\
3*x *\20*cosh\x / + 9*x *cosh\x / + 36*x *sinh\x //
$$3 x^{2} \left(9 x^{6} \cosh{\left(x^{3} \right)} + 36 x^{3} \sinh{\left(x^{3} \right)} + 20 \cosh{\left(x^{3} \right)}\right)$$