What is expand ((s+1)(s-1))/(s(s+2)(s+10)) ?

The solution to expand ((s+1)(s-1))/(s(s+2)(s+10)) is (s^2-1)/(s^3+12s^2+20s)

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expand ((s+1)(s-1))/(s(s+2)(s+10))

expand

\frac{( s + 1 ) ( s - 1 )}{s ( s + 2 ) ( s + 10 )}

\frac{s ^{2} - 1}{s ^{3} + 12 s ^{2} + 20 s}

Solution steps

\frac{( s + 1 ) ( s - 1 )}{s ( s + 2 ) ( s + 10 )}

Expand

s (s + 2) (s + 10) : s^{3} + 12 s^{2} + 20 s

= \frac{( s + 1 ) ( s - 1 )}{s ^{3} + 12 s ^{2} + 20 s}

Expand

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

= \frac{s ^{2} - 1}{s ^{3} + 12 s ^{2} + 20 s}

(0, 0) y (2, - 4)

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

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

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

(2 x + 3 y = 1, 8) - (3 x + 2 y = 21)

What is expand ((s+1)(s-1))/(s(s+2)(s+10)) ?
The solution to expand ((s+1)(s-1))/(s(s+2)(s+10)) is (s^2-1)/(s^3+12s^2+20s)