7x 2 6x 5 x 3 July 8, 2019 16 32 64 128 6x 5 x 2 )=- 7x 30 7x 1 2x 2 6x 5 3x x 2 9 7x 1 2x 2 6x vĂ 5 3x x 2 9 5 x 7 = 35 2x 7 7 6x2 5