2x 5 2 x 7 July 8, 2019 16 32 64 128 2x 5 x 2 7 0 3 2x 5 )- 2 x 7 2x 5 )( x 2 7x 2 2x 5 )( x 2 5x 7 2x 5 x 2 4 6 7x 21 3 7 2x )= 5 2 x 9 4x 5 x 2 2x 7 3x 6 3 2x 5 )+ 4 2 x 7 3 2x 5 4 2 x 7 6 2x 1 5 x 2 2 0 7x 7 2x 5 2 x 20 3x 10 5 2x − 1 2 x 7 6 5x 7 2x 5 2 x 1 2x 1 3 5 3x 2 x 7 4