What is expand-(16x)/((4+x^2)^2) ?

The solution to expand-(16x)/((4+x^2)^2) is -(16x)/(16+8x^2+x^4)

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expand-(16x)/((4+x^2)^2)

expand

- \frac{16 x}{( 4 + x ^{2} ) ^{2}}

- \frac{16 x}{16 + 8 x ^{2} + x ^{4}}

Solution steps

- \frac{16 x}{( 4 + x ^{2} ) ^{2}}

(4 + x^{2})^{2} = 16 + 8 x^{2} + x^{4}

= - \frac{16 x}{x ^{4} + 8 x ^{2} + 16}

(9 - 2 x r i g h t) l e f t (9 - 2 x r i g h t) l e f t (x r i g h t)

\frac{14 - 4 s}{( s - 3 ) ( s ^{2} + 3 s + 2 )}

\frac{s ^{3} + 3 s ^{2} + 2 s - 1}{( s + 2 ) ^{3} ( s + 1 )}

(a - 7 x) \cdot (a + 7 x)

\frac{( ( 2 x - 1 ) e ^{\frac{1}{x}} )}{5}

What is expand-(16x)/((4+x^2)^2) ?
The solution to expand-(16x)/((4+x^2)^2) is -(16x)/(16+8x^2+x^4)