25 49 x 2 July 8, 2019 16 32 64 128 25 x 2 14x 49 25 x 1 2 49 25 15 x 27 49 Factorise 25 + 70x + 49x2 25 1 2 x 49 1 2 skylight 25 x 2y 2 49 x 2y 2
