What is expand ((s+3)(s+6))/((s+9)^2) ?

The solution to expand ((s+3)(s+6))/((s+9)^2) is (s^2+9s+18)/(s^2+18s+81)

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expand ((s+3)(s+6))/((s+9)^2)

expand

\frac{( s + 3 ) ( s + 6 )}{( s + 9 ) ^{2}}

\frac{s ^{2} + 9 s + 18}{s ^{2} + 18 s + 81}

Solution steps

\frac{( s + 3 ) ( s + 6 )}{( s + 9 ) ^{2}}

(s + 9)^{2} = s^{2} + 18 s + 81

= \frac{( s + 3 ) ( s + 6 )}{s ^{2} + 18 s + 81}

Expand

(s + 3) (s + 6) : s^{2} + 9 s + 18

= \frac{s ^{2} + 9 s + 18}{s ^{2} + 18 s + 81}

(sin (x) + sin (y))^{2}

x^{\frac{3}{2}} (x^{2} - 10 x + 17)

- \frac{12}{s ( s + 2 ) ( s + 3 )}

a (- 3, 5) b (- 3, - 7)

x (x - 3)

What is expand ((s+3)(s+6))/((s+9)^2) ?
The solution to expand ((s+3)(s+6))/((s+9)^2) is (s^2+9s+18)/(s^2+18s+81)