Factor completely: 4x2−20x+254x^2 - 20x + 254x2−20x+25.
(2x−5)2(2x - 5)^2(2x−5)2
(4x−5)(x−5)(4x - 5)(x - 5)(4x−5)(x−5)
(2x−5)(2x+5)(2x - 5)(2x + 5)(2x−5)(2x+5)
(2x+5)2(2x + 5)^2(2x+5)2