Question

помогите, срочно!!
$frac{x {}^{2} - 9 }{x {}^{2} - 5x} times frac{x - 5}{x + 3}$

$frac{m + 2n}{2 - 3m} div frac{m { } +^{2} + 4mn + 4n {}^{2} }{3m {}^{2} - 2m }$