2 5x 7 )= 2x 10 July 8, 2019 16 32 64 128 5x 7 2 2x )- 10 =- 5 5x 7 2x 2 10x 41 2x 2 5x 7 10x 2 7x 1 2x 2 5x =- 10x 7 5x 10 x 2 7 2x 4 2x 7 10 5x 1 2 5x 3x 2 2x 7 )+ 10x 2 8x 2 x 2 5 2x 7