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

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

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

expand

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

\frac{1}{s ^{3} - s ^{2} + 2 s + 4}

Solution steps

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

Expand

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

= \frac{1}{s ^{3} - s ^{2} + 2 s + 4}

(x - 32) (x + 32)

(x - x^{2})^{2}

(2 t, s + t cos^{2} (s) + s^{2} t^{4}) (t cos (s))

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

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

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