What is expand 1/((s-1)^2(s+1)) ?

The solution to expand 1/((s-1)^2(s+1)) is 1/(s^3-s^2-s+1)

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expand 1/((s-1)^2(s+1))

expand

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

\frac{1}{s ^{3} - s ^{2} - s + 1}

Solution steps

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

(s - 1)^{2} = s^{2} - 2 s + 1

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

Expand

(s^{2} - 2 s + 1) (s + 1) : s^{3} - s^{2} - s + 1

= \frac{1}{s ^{3} - s ^{2} - s + 1}

\frac{x e ^{x}}{( x + 1 ) ^{2}}

f (x, y) (- 2 x^{2} - x y - 2 y^{2} + 100 x + 100 y)

(3 - x + 7) (3 + x + 7)

\frac{5 s ^{2} - 2 s - 19}{( s - 1 ) ^{2} ( s + 3 )}

\frac{\partial}{\partial u} ((x) (x - y))

What is expand 1/((s-1)^2(s+1)) ?
The solution to expand 1/((s-1)^2(s+1)) is 1/(s^3-s^2-s+1)