integrals.wolfram.com   Use one of Mathematica's 2500+ functions FREE online

Wolfram Mathematica Online Integrator
The world's only full-power integration solver
∫

-(3 + 2*x*(3 + x*(3 + 2*x)))/(8*E^(2*x))


Integrate[x^3/E^(2*x), x] ==
-(3 + 2*x*(3 + x*(3 + 2*x)))/(8*E^(2*x))



            3
           x
Integrate[----, x] == 
           2 x
          E

-(3 + 2 x (3 + x (3 + 2 x)))
----------------------------
              2 x
           8 E

Time to compute: < 0.01 second

Spread the word: