Factor: 9x2−259x^2 - 259x2−25.
(3x−5)(3x+5)(3x-5)(3x+5)(3x−5)(3x+5)
(9x−5)(x+5)(9x-5)(x+5)(9x−5)(x+5)
(3x−5)2(3x-5)^2(3x−5)2
(3x+5)2(3x+5)^2(3x+5)2