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

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

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

expand

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

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

Solution steps

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

Expand

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

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

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

3^{6}

\frac{( s + 1 ) ( s - 1 )}{s ( s + 2 ) ( s + 10 )}

(0, 0) y (2, - 4)

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

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