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

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

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

expand

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

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

Solution steps

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

Expand

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

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

, \frac{3}{4} (v - 16)

(2 x - 3 y) (4 x - 5 y)

(22 - x)^{2}

(y - \frac{1}{3})^{4}

(z + \frac{2}{3})^{4}

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