"quotient of" means divide or fraction bar ... you should look for the word "and" to determine where to place your division sign or fraction bar
ANSWER:
[tex] \frac{2x-1}{3x+5} [/tex]
or
(2x - 1) ÷ (3x + 5) ←Used parenthesis because they quantity 2x - 1 is separated from the quantity 3x + 5 by the word "and"