\frac{x^{2}}{(x^{2}-1)*(x^{2}-9)}=\frac{-1}{8*(x^{2}-1)}+\frac{9}{8*(x^{2}-0)}=-1/8*\frac{1}{(x-1)*(x+1)}+9/8*\frac{1}{(x-3)*(x+3)}
\frac{x^{2}}{{x^{2}-1}*(x^{2}-9)}=\frac{-1}{8*{x^{2}-1}}+\frac{9}{8*{x^{2}-9}}=-1/8*\frac{1}{{x-1}*{x+1}}+9/8*\frac{1}{{x-3}*{x+3}}