Answer:
9a-a^2 is the required quotient.
Step-by-step explanation:
[tex] \frac{45 {a}^{2} - 5 {a}^{3} }{5a} \\ = \frac{5a(9a - {a}^{2} )}{5a} \\ = 9a - {a}^{2} [/tex]
