Question

(t+5)(t-5)/9t+3)(t+5)/(t-5)/(t+9)

Answer 1

\[\frac{(t+5)(t-5)}{(t+3)(t+5)}\times \frac{t+9}{t-5}\]
is a start

Answer 2

i am assuming the 9 in the first part of the denominator is a typo and you meant
\[(t+3)\] not
\[9t+3)\]

Answer 3

then cancel common factors and you will have your answer