\[ \int \left (7+5 x^2\right )^2 \left (4+3 x^2+x^4\right )^{3/2} \, dx \]
Optimal antiderivative \[ \frac {x \left (2240 x^{2}+6831\right ) \left (x^{4}+3 x^{2}+4\right )^{\frac {3}{2}}}{693}+\frac {25 x \left (x^{4}+3 x^{2}+4\right )^{\frac {5}{2}}}{11}+\frac {175346 x \sqrt {x^{4}+3 x^{2}+4}}{1155 \left (x^{2}+2\right )}+\frac {x \left (18253 x^{2}+64533\right ) \sqrt {x^{4}+3 x^{2}+4}}{1155}-\frac {175346 \left (x^{2}+2\right ) \sqrt {\frac {\cos \left (4 \arctan \left (\frac {x \sqrt {2}}{2}\right )\right )}{2}+\frac {1}{2}}\, \EllipticE \left (\sin \left (2 \arctan \left (\frac {x \sqrt {2}}{2}\right )\right ), \frac {\sqrt {2}}{4}\right ) \sqrt {2}\, \sqrt {\frac {x^{4}+3 x^{2}+4}{\left (x^{2}+2\right )^{2}}}}{1155 \cos \left (2 \arctan \left (\frac {x \sqrt {2}}{2}\right )\right ) \sqrt {x^{4}+3 x^{2}+4}}+\frac {4628 \left (x^{2}+2\right ) \sqrt {\frac {\cos \left (4 \arctan \left (\frac {x \sqrt {2}}{2}\right )\right )}{2}+\frac {1}{2}}\, \EllipticF \left (\sin \left (2 \arctan \left (\frac {x \sqrt {2}}{2}\right )\right ), \frac {\sqrt {2}}{4}\right ) \sqrt {\frac {x^{4}+3 x^{2}+4}{\left (x^{2}+2\right )^{2}}}\, \sqrt {2}}{33 \cos \left (2 \arctan \left (\frac {x \sqrt {2}}{2}\right )\right ) \sqrt {x^{4}+3 x^{2}+4}} \]
command
Integrate[(7 + 5*x^2)^2*(4 + 3*x^2 + x^4)^(3/2),x]
Mathematica 13.1 output
\[ \frac {2 \sqrt {-\frac {i}{-3 i+\sqrt {7}}} x \left (1824876+2932753 x^2+2435811 x^4+1229714 x^6+408480 x^8+82075 x^{10}+7875 x^{12}\right )-263019 \sqrt {2} \left (3 i+\sqrt {7}\right ) \sqrt {\frac {-3 i+\sqrt {7}-2 i x^2}{-3 i+\sqrt {7}}} \sqrt {\frac {3 i+\sqrt {7}+2 i x^2}{3 i+\sqrt {7}}} E\left (i \sinh ^{-1}\left (\sqrt {-\frac {2 i}{-3 i+\sqrt {7}}} x\right )|\frac {3 i-\sqrt {7}}{3 i+\sqrt {7}}\right )+3 \sqrt {2} \left (-34209 i+87673 \sqrt {7}\right ) \sqrt {\frac {-3 i+\sqrt {7}-2 i x^2}{-3 i+\sqrt {7}}} \sqrt {\frac {3 i+\sqrt {7}+2 i x^2}{3 i+\sqrt {7}}} F\left (i \sinh ^{-1}\left (\sqrt {-\frac {2 i}{-3 i+\sqrt {7}}} x\right )|\frac {3 i-\sqrt {7}}{3 i+\sqrt {7}}\right )}{6930 \sqrt {-\frac {i}{-3 i+\sqrt {7}}} \sqrt {4+3 x^2+x^4}} \]
Mathematica 12.3 output
\[ \text {\$Aborted} \]________________________________________________________________________________________