What is expand 1/((x^2+5x+6)(x^2+9x+20)) ?

The solution to expand 1/((x^2+5x+6)(x^2+9x+20)) is 1/(x^4+14x^3+71x^2+154x+120)

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expand 1/((x^2+5x+6)(x^2+9x+20))

expand

\frac{1}{( x ^{2} + 5 x + 6 ) ( x ^{2} + 9 x + 20 )}

\frac{1}{x ^{4} + 14 x ^{3} + 71 x ^{2} + 154 x + 120}

Solution steps

\frac{1}{( x ^{2} + 5 x + 6 ) ( x ^{2} + 9 x + 20 )}

Expand

(x^{2} + 5 x + 6) (x^{2} + 9 x + 20) : x^{4} + 14 x^{3} + 71 x^{2} + 154 x + 120

= \frac{1}{x ^{4} + 14 x ^{3} + 71 x ^{2} + 154 x + 120}

\frac{d}{d t} ((x) (1 + 4 t - t^{2}))

(e^{- y} + 2)^{2}

\frac{2 ^{2 x + 2}}{( 4 ^{x} + 1 ) ^{2}}

(1 - 7) + (7 - 7)

\frac{( s + 3 )}{( s + 2.5 ) ( s + 4 ) ^{2}}

What is expand 1/((x^2+5x+6)(x^2+9x+20)) ?
The solution to expand 1/((x^2+5x+6)(x^2+9x+20)) is 1/(x^4+14x^3+71x^2+154x+120)