Integral of $$$\frac{\tan^{2}{\left(x \right)}}{x^{2} \left(\tan^{2}{\left(x \right)} + 5\right)}$$$
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Find $$$\int \frac{\tan^{2}{\left(x \right)}}{x^{2} \left(\tan^{2}{\left(x \right)} + 5\right)}\, dx$$$.