Question

http://media01.switchedononline.com/g_alg01_2011/10/428.gif
Please Help!

Answer 1

when dividing by a fraction, flip the bottom fraction and multiply
then factor as much as possible
\[\rightarrow \frac{(3-s)(3+s)}{3rs}*\frac{5rs}{(s+5)(s-3)}\]
\[=\frac{-5(s+3)}{3(s+5)}\]

Answer 2

Howd you get the -5?