What is expand (-2x-6)/((x+1)(x-1)) ?

The solution to expand (-2x-6)/((x+1)(x-1)) is (-2x-6)/(x^2-1)

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expand (-2x-6)/((x+1)(x-1))

expand

\frac{- 2 x - 6}{( x + 1 ) ( x - 1 )}

\frac{- 2 x - 6}{x ^{2} - 1}

Solution steps

\frac{- 2 x - 6}{( x + 1 ) ( x - 1 )}

Expand

(x + 1) (x - 1) : x^{2} - 1

= \frac{- 2 x - 6}{x ^{2} - 1}

2 e^{- x} x - e^{- x} (x^{2} + 1)

\frac{x ^{3} + x ^{2} + 1}{x ( x - 1 ) ^{2} ( x ^{2} + 5 ) ( x ^{2} + x + 1 )}

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

- \frac{3 s ^{3} + 2 s ^{2} - s - 1}{( s + 1 ) s ^{3}}

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

What is expand (-2x-6)/((x+1)(x-1)) ?
The solution to expand (-2x-6)/((x+1)(x-1)) is (-2x-6)/(x^2-1)