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}

\frac{1}{s ^{2} ( s ^{2} + a ^{2} )}

(x - \frac{1}{x})^{8}

(- 1 + i)^{7}

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

(3 - x)^{2}

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)