\[ \int (e x)^{5/2} (A+B x) \sqrt {a+c x^2} \, dx \]
Optimal antiderivative \[ \frac {2 A e \left (e x \right )^{\frac {3}{2}} \left (c \,x^{2}+a \right )^{\frac {3}{2}}}{9 c}+\frac {2 B \left (e x \right )^{\frac {5}{2}} \left (c \,x^{2}+a \right )^{\frac {3}{2}}}{11 c}-\frac {10 a B \,e^{2} \left (c \,x^{2}+a \right )^{\frac {3}{2}} \sqrt {e x}}{77 c^{2}}-\frac {4 a^{2} A \,e^{3} x \sqrt {c \,x^{2}+a}}{15 c^{\frac {3}{2}} \left (\sqrt {a}+x \sqrt {c}\right ) \sqrt {e x}}+\frac {2 a \,e^{2} \left (-77 A c x +25 B a \right ) \sqrt {e x}\, \sqrt {c \,x^{2}+a}}{1155 c^{2}}+\frac {4 a^{\frac {9}{4}} A \,e^{3} \sqrt {\frac {\cos \left (4 \arctan \left (\frac {c^{\frac {1}{4}} \sqrt {x}}{a^{\frac {1}{4}}}\right )\right )}{2}+\frac {1}{2}}\, \EllipticE \left (\sin \left (2 \arctan \left (\frac {c^{\frac {1}{4}} \sqrt {x}}{a^{\frac {1}{4}}}\right )\right ), \frac {\sqrt {2}}{2}\right ) \left (\sqrt {a}+x \sqrt {c}\right ) \sqrt {x}\, \sqrt {\frac {c \,x^{2}+a}{\left (\sqrt {a}+x \sqrt {c}\right )^{2}}}}{15 \cos \left (2 \arctan \left (\frac {c^{\frac {1}{4}} \sqrt {x}}{a^{\frac {1}{4}}}\right )\right ) c^{\frac {7}{4}} \sqrt {e x}\, \sqrt {c \,x^{2}+a}}+\frac {2 a^{\frac {9}{4}} e^{3} \sqrt {\frac {\cos \left (4 \arctan \left (\frac {c^{\frac {1}{4}} \sqrt {x}}{a^{\frac {1}{4}}}\right )\right )}{2}+\frac {1}{2}}\, \EllipticF \left (\sin \left (2 \arctan \left (\frac {c^{\frac {1}{4}} \sqrt {x}}{a^{\frac {1}{4}}}\right )\right ), \frac {\sqrt {2}}{2}\right ) \left (25 B \sqrt {a}-77 A \sqrt {c}\right ) \left (\sqrt {a}+x \sqrt {c}\right ) \sqrt {x}\, \sqrt {\frac {c \,x^{2}+a}{\left (\sqrt {a}+x \sqrt {c}\right )^{2}}}}{1155 \cos \left (2 \arctan \left (\frac {c^{\frac {1}{4}} \sqrt {x}}{a^{\frac {1}{4}}}\right )\right ) c^{\frac {9}{4}} \sqrt {e x}\, \sqrt {c \,x^{2}+a}} \]
command
integrate((e*x)^(5/2)*(B*x+A)*(c*x^2+a)^(1/2),x, algorithm="fricas")
Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output
\[ \frac {2 \, {\left (150 \, B a^{3} \sqrt {c} e^{\frac {5}{2}} {\rm weierstrassPInverse}\left (-\frac {4 \, a}{c}, 0, x\right ) + 462 \, A a^{2} c^{\frac {3}{2}} e^{\frac {5}{2}} {\rm weierstrassZeta}\left (-\frac {4 \, a}{c}, 0, {\rm weierstrassPInverse}\left (-\frac {4 \, a}{c}, 0, x\right )\right ) + {\left (315 \, B c^{3} x^{4} + 385 \, A c^{3} x^{3} + 90 \, B a c^{2} x^{2} + 154 \, A a c^{2} x - 150 \, B a^{2} c\right )} \sqrt {c x^{2} + a} \sqrt {x} e^{\frac {5}{2}}\right )}}{3465 \, c^{3}} \]
Fricas 1.3.7 via sagemath 9.3 output
\[ {\rm integral}\left ({\left (B e^{2} x^{3} + A e^{2} x^{2}\right )} \sqrt {c x^{2} + a} \sqrt {e x}, x\right ) \]