7 3 2 5x July 8, 2019 16 32 64 128 7 3 2 5x 1 7 3 2 5x − 4 7 3 5x4 )- 2 7 3 2 x 5x 4 7 (- 3x 3 )= 2 5x 5 7 2x 3 5x 2 )= 47 7 6 x 2 )= 3 5x 5x 7 2 3 2x 14 2 5x 7 3 5x 12 5x 7 2 3 2x 7 3x 2 5x 3 7 2 5x 1 )=- 3 3x 1 7 5x 3 x 2 )+ 5 7 4 1 5x 3 2 4 5x 3 x 2 )-( 5x 7 )= 8
