Wolfram Mathematica Online Integrator
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Integrate[(-1 + 2*x)*(-x + x^2)^4, x] ==
((-1 + x)^5*x^5)/5
2 4 Integrate[(-1 + 2 x) (-x + x ) , x] ==
5 5
(-1 + x) x
------------
5
Time to compute: < 0.01 second
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