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x^2/2 + (2*x^3)/3 + x^4/4


Integrate[x*(1 + 2*x + x^2), x] ==
x^2/2 + (2*x^3)/3 + x^4/4



                        2
Integrate[x (1 + 2 x + x ), x] == 

 2      3    4
x    2 x    x
-- + ---- + --
2     3     4

Time to compute: 0.03 second

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