Factor 4n2−20n+254n^2 - 20n + 254n2−20n+25 completely.
(2n−5)2(2n - 5)^2(2n−5)2
(2n+5)2(2n + 5)^2(2n+5)2
(2n−5)(2n+5)(2n - 5)(2n + 5)(2n−5)(2n+5)
(4n−5)(n−5)(4n - 5)(n - 5)(4n−5)(n−5)