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

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

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

expand

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

\frac{- x ^{2} - 4 x}{x ^{4} - 2 x ^{3} - 3 x ^{2} + 4 x + 4}

Solution steps

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

(x^{2} - x - 2)^{2} = x^{4} - 2 x^{3} - 3 x^{2} + 4 x + 4

= \frac{- x ^{2} - 4 x}{x ^{4} - 2 x ^{3} - 3 x ^{2} + 4 x + 4}

n = 1 \sum \infty 4 \cdot 0. 3^{n}

\frac{\partial}{\partial x} (x^{7} y z^{2} + 7 yz)

x = y, x = - y^{2} + 6 y

sin (x) + \frac{1}{7} cot (x)

\int_{50}^{80} \frac{25}{3} x d x

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