Factor x2−25x^2 - 25x2−25.
(x−5)2(x - 5)^2(x−5)2
(x+5)(x−5)(x + 5)(x - 5)(x+5)(x−5)
(x−5)(x−5)(x - 5)(x - 5)(x−5)(x−5)
(x+25)(x−1)(x + 25)(x - 1)(x+25)(x−1)