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

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

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

expand

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

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

Solution steps

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

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

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

- 5 \cdot 3

\frac{1}{( 3 x ^{2} + 5 ) ^{4}}

0 (x + 3)^{2} - 2

a (10, 5) b (3, 2) c (6, - 5)

\frac{12 ( x - 3 )}{x - 9}

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