X 2 1 4x 1 8 July 8, 2019 16 32 64 128 2 x 1 )+ 4x 3 2x 1 )+ 8 X 2 3 4x 1 8 X 2 1 4x 3 8 0 Factorise x 2 1 4x 1 8 3 x 2 4x 1 1 81 4x x 2 1 x 1 8x 7 3x 6 X 2 1 4x 2 8 find x 3 1 8x 3 2x 2 căn x 2 4x 1 8x 1 5 8 x 1 2 1 4x 10 4x 3 2 x 1 )( 2x 1 )= 810 X 1 6 (- 1 4x 2 3 )+ 8x X 3 3 2x 2 3 4x 1 8 1 64
