4 7 x 49 1 July 8, 2019 16 32 64 128 7 4 9 x 49 5 18 7 4 x 49 10 7 x 4 49 2x 1 X 4 7 2 1 49 49 x 4 )= 7 5x 1 1 4 x 22 7 x 49 49 x 4 7 2 *( 343 x 1 7 16 x 4 49 simplified 49 x 4 7 18 x X 1 x 4 x 7 x 49 442
