C 2 6c 9 July 8, 2019 16 32 64 128 C 2 6c 9 0 C 2 6c 9 factor Is c 2 6c 9 a perfect square C 2 6c 9 y 2 Factor completely c 2 6c 9 A 2 2ab b 2 c 2 6c 9
