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

The solution to expand (4(-x^2-16))/((x^2-16)^2) is (-4x^2-64)/(x^4-32x^2+256)

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

expand

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

\frac{- 4 x ^{2} - 64}{x ^{4} - 32 x ^{2} + 256}

Solution steps

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

(x^{2} - 16)^{2} = x^{4} - 32 x^{2} + 256

= \frac{4 ( - x ^{2} - 16 )}{x ^{4} - 32 x ^{2} + 256}

Expand

4 (- x^{2} - 16) : - 4 x^{2} - 64

= \frac{- 4 x ^{2} - 64}{x ^{4} - 32 x ^{2} + 256}

(1 + i 2)^{4}

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ln (5) \cdot 5 (6 x^{2} - x + 2) \cdot (12 x - 1)

7 (π - 5)

\frac{5 ( 19 - 1 )}{9}

What is expand (4(-x^2-16))/((x^2-16)^2) ?
The solution to expand (4(-x^2-16))/((x^2-16)^2) is (-4x^2-64)/(x^4-32x^2+256)