What is expand (s(s+2))/((s+1)(s+3)) ?

The solution to expand (s(s+2))/((s+1)(s+3)) is (s^2+2s)/(s^2+4s+3)

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expand (s(s+2))/((s+1)(s+3))

expand

\frac{s ( s + 2 )}{( s + 1 ) ( s + 3 )}

\frac{s ^{2} + 2 s}{s ^{2} + 4 s + 3}

Solution steps

\frac{s ( s + 2 )}{( s + 1 ) ( s + 3 )}

Expand

(s + 1) (s + 3) : s^{2} + 4 s + 3

= \frac{s ( s + 2 )}{s ^{2} + 4 s + 3}

Expand

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

= \frac{s ^{2} + 2 s}{s ^{2} + 4 s + 3}

(ln (sin (x) + cos (x)) 2 + sec (x) tan (g) x) 3

(3 x + 14 + x^{3} + 9)^{2}

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

(y^{\frac{7}{4}} - 1)^{4}

i (x + y i)^{4}

What is expand (s(s+2))/((s+1)(s+3)) ?
The solution to expand (s(s+2))/((s+1)(s+3)) is (s^2+2s)/(s^2+4s+3)