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(-2 + x/2)*Sqrt[20 + 8*x - x^2] - 18*ArcSin[(4 - x)/6]

Integrate[Sqrt[20 + 8*x - x^2], x] ==
(-2 + x/2)*Sqrt[20 + 8*x - x^2] - 18*ArcSin[(4 - x)/6] 

                           2
Integrate[Sqrt[20 + 8 x - x ], x] == 

      x                   2              4 - x
(-2 + -) Sqrt[20 + 8 x - x ] - 18 ArcSin[-----]
      2                                    6
Time to compute: 0.03 second
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