Simplificati raportul prin x-3
2x patrat-7x+3\xpatrat-9


Răspuns :

2x patrat-7x+3 se descompune in (x-3)(2x-1)
x^2+9 de descompune in (x-3)(x+3)

deci
(x-3)(2x-1)      se simplifica x-3
(x-3)(x+3)


=2x-1
  x+3