What is expand 3/((x^2+9)(s+4)) ?

The solution to expand 3/((x^2+9)(s+4)) is 3/(x^2s+4x^2+9s+36)

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expand 3/((x^2+9)(s+4))

expand

\frac{3}{( x ^{2} + 9 ) ( s + 4 )}

\frac{3}{x ^{2} s + 4 x ^{2} + 9 s + 36}

Solution steps

\frac{3}{( x ^{2} + 9 ) ( s + 4 )}

Expand

(x^{2} + 9) (s + 4) : x^{2} s + 4 x^{2} + 9 s + 36

= \frac{3}{x ^{2} s + 4 x ^{2} + 9 s + 36}

(sec (x) tan (x)) (tan (x) - 1)

\frac{( 4 + x ^{2} )}{( 4 - x ^{2} ) ^{2}}

\frac{6 s ^{2} + 8 s + 3}{s ( s ^{2} + 2 s + 5 )}

\frac{3}{x ( x + 6 )}

\frac{k ^{3} + 5 k ^{2} + 6 k + 4}{2 k ( k + 2 ) ^{2}}

What is expand 3/((x^2+9)(s+4)) ?
The solution to expand 3/((x^2+9)(s+4)) is 3/(x^2s+4x^2+9s+36)