What is expand (-x-4)/((x+1)(x-1)) ?

The solution to expand (-x-4)/((x+1)(x-1)) is (-x-4)/(x^2-1)

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expand (-x-4)/((x+1)(x-1))

expand

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

\frac{- x - 4}{x ^{2} - 1}

Solution steps

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

Expand

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

= \frac{- x - 4}{x ^{2} - 1}

(4 v^{2} y^{2} + y^{2}) (v d y + y d v)

(5 x + 8 (\frac{d y}{d x}))^{2}

(x^{2} - x y + y^{2})^{5}

\frac{( X - 6 )}{3 ( 4 - X )}

- 3 (e - e^{3})

What is expand (-x-4)/((x+1)(x-1)) ?
The solution to expand (-x-4)/((x+1)(x-1)) is (-x-4)/(x^2-1)