Factor: 4x2−254x^2 - 254x2−25.
(2x−5)(2x+5)(2x-5)(2x+5)(2x−5)(2x+5)
(4x−5)(x+5)(4x-5)(x+5)(4x−5)(x+5)
(2x−5)2(2x-5)^2(2x−5)2
(2x+5)2(2x+5)^2(2x+5)2