7x 3 5x July 8, 2019 16 32 64 128 7x 3 5x 9 7x 3 5x 5 7x 3 5x 2 3x 1 7x 3 5x 11 7x 3 5x 1 7x 3 )( 5x 2 7x 3 5x 13 7x 3 5x 15 7x 3 5x 8 7x 3 5x 4 7x 3 5x 12 7x 3 5x 4 )= 20 7x 3 5x 17 7x 3 5x 19 7x 3 5x 2 )= 4
