What is expand (3s)/(1-(3s)(s+1)) ?

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

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expand (3s)/(1-(3s)(s+1))

expand

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

\frac{3 s}{1 - 3 s ^{2} - 3 s}

Solution steps

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

Remove parentheses:

(a) = a

= \frac{3 s}{1 - 3 s ( s + 1 )}

Expand

1 - 3 s (s + 1) : 1 - 3 s^{2} - 3 s

= \frac{3 s}{1 - 3 s ^{2} - 3 s}

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

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

- \frac{d}{d s} (\frac{A}{s ( s ^{2} - B )})

\frac{- 2 a + π}{2 ( - b + 1 )}

- \frac{d}{d s} (\frac{6 ( s + 3 )}{s ^{2} + 6 s + 18})

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