X 3 7 2 9 July 8, 2019 16 32 64 128 X 3 2 y 7 2 9 X 4 2 )+ 3 7 =- 2 9 1 2 3 x 2 7 9 X 3 3x 2 9x 7 X 3 3x 2 9x 7 0 6 3 7 x 2 9 7 2 x 3 )= 9 6x X 3 9x 2 15x 7 0 9x 3 x 2 )+ 7 7 2 3 x 9 46 2x 7 )( x 3 )= x 2 9 2 1 4 x 3 7 9 13 2 5 7 x 3 9
