What is expand-s/((s-a)(s^2+81)) ?

The solution to expand-s/((s-a)(s^2+81)) is -s/(s^3+81s-as^2-81a)

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expand-s/((s-a)(s^2+81))

expand

- \frac{s}{( s - a ) ( s ^{2} + 81 )}

- \frac{s}{s ^{3} + 81 s - a s ^{2} - 81 a}

Solution steps

- \frac{s}{( s - a ) ( s ^{2} + 81 )}

Expand

(s - a) (s^{2} + 81) : s^{3} + 81 s - a s^{2} - 81 a

= - \frac{s}{s ^{3} - a s ^{2} + 81 s - 81 a}

\frac{1}{( 2 + π ) ^{10}}

48 (\frac{5}{6} x + 2 = \frac{7}{8})

- \frac{2}{( x + b ) ^{2}}

(x cos^{2} (\frac{y}{x}) - y) d x + x d y

\frac{10 x ^{3} + 20 x + 2}{( s ^{2} + 1 ) ( s ^{2} + 2 )}

What is expand-s/((s-a)(s^2+81)) ?
The solution to expand-s/((s-a)(s^2+81)) is -s/(s^3+81s-as^2-81a)