What is expand-(7s+2s^3)/((s^2+4)^2) ?

The solution to expand-(7s+2s^3)/((s^2+4)^2) is -(7s+2s^3)/(s^4+8s^2+16)

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expand-(7s+2s^3)/((s^2+4)^2)

expand

- \frac{7 s + 2 s ^{3}}{( s ^{2} + 4 ) ^{2}}

- \frac{7 s + 2 s ^{3}}{s ^{4} + 8 s ^{2} + 16}

Solution steps

- \frac{7 s + 2 s ^{3}}{( s ^{2} + 4 ) ^{2}}

(s^{2} + 4)^{2} = s^{4} + 8 s^{2} + 16

= - \frac{2 s ^{3} + 7 s}{s ^{4} + 8 s ^{2} + 16}

(1, 3, - 2) x (- 1, 5, 7)

\frac{( n + 1 ) ( n + 2 ) ( 4 n + 3 )}{3}

\frac{X ^{2} ( π - 58 )}{9} + 140

5 - 21 \cdot (7 + 3)

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

What is expand-(7s+2s^3)/((s^2+4)^2) ?
The solution to expand-(7s+2s^3)/((s^2+4)^2) is -(7s+2s^3)/(s^4+8s^2+16)