What is expand ((12s+1)(s+1))/(s(0.1s+1)) ?

The solution to expand ((12s+1)(s+1))/(s(0.1s+1)) is (12s^2+13s+1)/(0.1s^2+s)

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expand ((12s+1)(s+1))/(s(0.1s+1))

expand

\frac{( 12 s + 1 ) ( s + 1 )}{s ( 0.1 s + 1 )}

\frac{12 s ^{2} + 13 s + 1}{0.1 s ^{2} + s}

Solution steps

\frac{( 12 s + 1 ) ( s + 1 )}{s ( 0.1 s + 1 )}

Expand

s (0.1 s + 1) : 0.1 s^{2} + s

= \frac{( 12 s + 1 ) ( s + 1 )}{0.1 s ^{2} + s}

Expand

(12 s + 1) (s + 1) : 12 s^{2} + 13 s + 1

= \frac{12 s ^{2} + 13 s + 1}{0.1 s ^{2} + s}

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What is expand ((12s+1)(s+1))/(s(0.1s+1)) ?
The solution to expand ((12s+1)(s+1))/(s(0.1s+1)) is (12s^2+13s+1)/(0.1s^2+s)