Wolfram Mathematica Online Integrator
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Integrate[x^2*(x + 2*x^2)^2, x] ==
(x^5*(21 + 10*x*(7 + 6*x)))/105
2 2 2 Integrate[x (x + 2 x ) , x] ==
5
x (21 + 10 x (7 + 6 x))
------------------------
105
Time to compute: < 0.01 second
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