7x 5 2 x 10 July 8, 2019 16 32 64 128 2x 7x 5 =- x 10 13 7x 2 5 3x 2 x 10 5 9x 10 7x 5 x 2 7x 10 1 2 5 x 7x 5 )- 4 2 5x )= 10 2 x 3x 5 7x 10 2 x 3 7 x 10 7-5x = -2x+1
