Factor 4z2+20z+254z^2 + 20z + 254z2+20z+25 completely.
(2z+5)2(2z + 5)^2(2z+5)2
(2z−5)2(2z - 5)^2(2z−5)2
(4z+5)(z+5)(4z + 5)(z + 5)(4z+5)(z+5)
(2z+5)(2z−5)(2z + 5)(2z - 5)(2z+5)(2z−5)