What is expand ((r-1)(r+49))/(r^2-49) ?

The solution to expand ((r-1)(r+49))/(r^2-49) is (r^2+48r-49)/(r^2-49)

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expand ((r-1)(r+49))/(r^2-49)

expand

\frac{( r - 1 ) ( r + 49 )}{r ^{2} - 49}

\frac{r ^{2} + 48 r - 49}{r ^{2} - 49}

Solution steps

\frac{( r - 1 ) ( r + 49 )}{r ^{2} - 49}

Expand

(r - 1) (r + 49) : r^{2} + 48 r - 49

= \frac{r ^{2} + 48 r - 49}{r ^{2} - 49}

\frac{5}{s ( s + 5 ) ^{3}}

(- 4, 0) y (0, - 5)

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

20 (\frac{6}{5} - \frac{6}{5} e^{- 20 x})

(A^{^{'}} + A B + A^{^{'}} BC) (A + B + C)

What is expand ((r-1)(r+49))/(r^2-49) ?
The solution to expand ((r-1)(r+49))/(r^2-49) is (r^2+48r-49)/(r^2-49)