Integrate $\int x^2(1-x^2)^{-\frac{3}{2}}dx$

I am tired of trying to evaluate 
$$\int x^2(1-x^2)^{-\frac{3}{2}}dx.$$
I am substituting $x=\sin \theta$, but get stuck in the remaining calculations. A detailed answer would be greatly appreciated. 


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Erdos Erdos
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