7 6x 1 3 July 8, 2019 16 32 64 128 7 6x 1 3 5 2x 6x 7 1 3x 7 6x 2 10x 20x 1 3 2 6x 7 2 3x 1 )- 5 7 (- 3 2x )=- 6x 1 6x 5 7 2x 1 3 2 6x 1 3x 5 4x 7 4x 7 6x 1 5x 3 8x 3 7 4x 3x 5 6x 1 2x 3 X2 7 6x 1 3 0 6x 7 2x 1 3x 1 x 5 7 1 6x )= 31 30x 6 2x a 7 6x 1 )+ x 36 7 6x 2 1 3 7 x 2 )- 6x 1 3 4x
