Question

(A^2-9)^2/(3-a)^3 помогите пж

Answer 1

Ответ:

$\frac{(a^{2} - 9)^{2}}{(3 - a)^{3}} = \frac{((a - 3)(a + 3))^{2}}{(3 - a)^{3}} = \frac{(a + 3)^{2}}{3 - a}$