3/ 5 3 \ / 2/ 5 3 \\ / 4 2\
4*tan \x + 2*x - 7/*\1 + tan \x + 2*x - 7//*\5*x + 6*x /
$$4 \left(5 x^{4} + 6 x^{2}\right) \left(\tan^{2}{\left(\left(x^{5} + 2 x^{3}\right) - 7 \right)} + 1\right) \tan^{3}{\left(\left(x^{5} + 2 x^{3}\right) - 7 \right)}$$
/ 2 2 \
2/ 5 3\ / 2/ 5 3\\ | / 2\ / 5 3\ 3 / 2\ 2/ 5 3\ 3 / 2\ / 2/ 5 3\\|
4*x*tan \-7 + x + 2*x /*\1 + tan \-7 + x + 2*x //*\4*\3 + 5*x /*tan\-7 + x + 2*x / + 2*x *\6 + 5*x / *tan \-7 + x + 2*x / + 3*x *\6 + 5*x / *\1 + tan \-7 + x + 2*x ///
$$4 x \left(\tan^{2}{\left(x^{5} + 2 x^{3} - 7 \right)} + 1\right) \left(3 x^{3} \left(5 x^{2} + 6\right)^{2} \left(\tan^{2}{\left(x^{5} + 2 x^{3} - 7 \right)} + 1\right) + 2 x^{3} \left(5 x^{2} + 6\right)^{2} \tan^{2}{\left(x^{5} + 2 x^{3} - 7 \right)} + 4 \left(5 x^{2} + 3\right) \tan{\left(x^{5} + 2 x^{3} - 7 \right)}\right) \tan^{2}{\left(x^{5} + 2 x^{3} - 7 \right)}$$
/ 3 2 3 3 \
/ 2/ 5 3\\ | 2/ 5 3\ / 2\ 6 / 2\ 4/ 5 3\ 6 / 2/ 5 3\\ / 2\ 6 / 2\ 2/ 5 3\ / 2/ 5 3\\ 3 3/ 5 3\ / 2\ / 2\ 3 / 2/ 5 3\\ / 2\ / 2\ / 5 3\| / 5 3\
8*\1 + tan \-7 + x + 2*x //*\6*tan \-7 + x + 2*x /*\1 + 5*x / + 2*x *\6 + 5*x / *tan \-7 + x + 2*x / + 3*x *\1 + tan \-7 + x + 2*x // *\6 + 5*x / + 10*x *\6 + 5*x / *tan \-7 + x + 2*x /*\1 + tan \-7 + x + 2*x // + 12*x *tan \-7 + x + 2*x /*\3 + 5*x /*\6 + 5*x / + 18*x *\1 + tan \-7 + x + 2*x //*\3 + 5*x /*\6 + 5*x /*tan\-7 + x + 2*x //*tan\-7 + x + 2*x /
$$8 \left(\tan^{2}{\left(x^{5} + 2 x^{3} - 7 \right)} + 1\right) \left(3 x^{6} \left(5 x^{2} + 6\right)^{3} \left(\tan^{2}{\left(x^{5} + 2 x^{3} - 7 \right)} + 1\right)^{2} + 10 x^{6} \left(5 x^{2} + 6\right)^{3} \left(\tan^{2}{\left(x^{5} + 2 x^{3} - 7 \right)} + 1\right) \tan^{2}{\left(x^{5} + 2 x^{3} - 7 \right)} + 2 x^{6} \left(5 x^{2} + 6\right)^{3} \tan^{4}{\left(x^{5} + 2 x^{3} - 7 \right)} + 18 x^{3} \left(5 x^{2} + 3\right) \left(5 x^{2} + 6\right) \left(\tan^{2}{\left(x^{5} + 2 x^{3} - 7 \right)} + 1\right) \tan{\left(x^{5} + 2 x^{3} - 7 \right)} + 12 x^{3} \left(5 x^{2} + 3\right) \left(5 x^{2} + 6\right) \tan^{3}{\left(x^{5} + 2 x^{3} - 7 \right)} + 6 \left(5 x^{2} + 1\right) \tan^{2}{\left(x^{5} + 2 x^{3} - 7 \right)}\right) \tan{\left(x^{5} + 2 x^{3} - 7 \right)}$$