4 3 x 12 16 July 8, 2019 16 32 64 128 X 4 4x 3 x 2 16x 12 X 4 4x 3 x 2 16x 12 0 3 4 5 12 x 16 15 16 3 4 x 12 cutting board 4 16 17 3 x 12 x 19 12 16 3 4 x 1 5 x 4 )+ 16 2x 3 x 12 Factorise x 4 4x 3 x 2 16x 12 Y x 4 4x 3 x 2 16x 12 2x x 4 3 x 4 x 12 x2 16 Factor x 4 4x 3 x 2 16x 12