Final answer to the problem
$\frac{-2x\left(x^2+4\right)^2-4\left(-x^2+4\right)\left(x^2+4\right)x}{\left(x^2+4\right)^{4}}$
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Step-by-step Solution
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1
Find the ($1$) derivative
$\frac{x^2+4-2x^2}{\left(x^2+4\right)^2}$
2
Find the ($2$) derivative
$\frac{-2x\left(x^2+4\right)^2-4\left(-x^2+4\right)\left(x^2+4\right)x}{\left(x^2+4\right)^{4}}$
Final answer to the problem
$\frac{-2x\left(x^2+4\right)^2-4\left(-x^2+4\right)\left(x^2+4\right)x}{\left(x^2+4\right)^{4}}$