What is expand (2s-4)/(s(s+1)(s^2+1)) ?

The solution to expand (2s-4)/(s(s+1)(s^2+1)) is (2s-4)/(s^4+s^2+s^3+s)

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expand (2s-4)/(s(s+1)(s^2+1))

expand

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

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

Solution steps

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

Expand

s (s + 1) (s^{2} + 1) : s^{4} + s^{2} + s^{3} + s

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

\frac{( 10 x ^{2} + y ^{2} + 5 x y ) x y}{5}

\frac{2 + s}{( 100 + s ) ^{2}}

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

\frac{( 2 x + 1 ) ( x - 5 )}{3 x + 2}

\frac{2 x - 1}{( x + 2 ) ( 3 x ^{2} - 2 x )}

What is expand (2s-4)/(s(s+1)(s^2+1)) ?
The solution to expand (2s-4)/(s(s+1)(s^2+1)) is (2s-4)/(s^4+s^2+s^3+s)