25 49 x 2 July 8, 2019 16 32 64 128 25 x 2 14x 49 25 15 x 27 49 25 1 2 x 49 1 2 skylight 25 x 1 2 49 25 x 2y 2 49 x 2y 2 25 x 6 2 49 Factor 49 x 2 − 25
