What is expand-(2x)/((x^2+3)^2) ?

The solution to expand-(2x)/((x^2+3)^2) is -(2x)/(x^4+6x^2+9)

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expand-(2x)/((x^2+3)^2)

expand

- \frac{2 x}{( x ^{2} + 3 ) ^{2}}

- \frac{2 x}{x ^{4} + 6 x ^{2} + 9}

Solution steps

- \frac{2 x}{( x ^{2} + 3 ) ^{2}}

(x^{2} + 3)^{2} = x^{4} + 6 x^{2} + 9

= - \frac{2 x}{x ^{4} + 6 x ^{2} + 9}

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

\frac{8}{( x - 2 ) ^{2}}

32 (1 - cos (t))

- (- 3 + sin^{2} (x))^{2} cos (x) sin (x)

7 (6 + 2)

What is expand-(2x)/((x^2+3)^2) ?
The solution to expand-(2x)/((x^2+3)^2) is -(2x)/(x^4+6x^2+9)