What is expand (-r-5)/((r+1)(r-1)) ?

The solution to expand (-r-5)/((r+1)(r-1)) is (-r-5)/(r^2-1)

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expand (-r-5)/((r+1)(r-1))

expand

\frac{- r - 5}{( r + 1 ) ( r - 1 )}

\frac{- r - 5}{r ^{2} - 1}

Solution steps

\frac{- r - 5}{( r + 1 ) ( r - 1 )}

Expand

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

= \frac{- r - 5}{r ^{2} - 1}

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

\frac{( 8 + x ) ^{3}}{8}

(x^{2} + 1) (3 x - 1) (2 x - 3) d x

(9 + 1 = - 5) \cdot (9 - 1 - 5)

\frac{2 n + 1}{( n ) ( n + 1 )}

What is expand (-r-5)/((r+1)(r-1)) ?
The solution to expand (-r-5)/((r+1)(r-1)) is (-r-5)/(r^2-1)