Răspuns:
(2x² - 7x + 3)/(x² - 9) =
= (2x² - x - 6x + 3)/(x - 3)(x + 3)
= [tex]\frac{x(2x-1)-3(2x-1)}{(x-3)(x+3)}\\[/tex]
=[tex]\frac{(x-3)(2x-1)}{(x-3)(x+3)}[/tex]
=[tex]\frac{2x-1}{x+3}[/tex]