Related Post: 1 2x 3 1 X 5 0 (1/3)^2x-1+5(1/3)^x-2 0 2x 1 X 3 5x 1 6 2x X 5 0 Lt X 1 X 2 2x 3 2 X 1 X 5 2 0 2 1 3 X 5 0 45 3x 1 )( 2x 3 )( X 5 )= 0 2x 3 1 X 5 6 0 9 X 1 2 8 * 3 X 1 5 0 1 3 2 5 X 1 )= 0 2x 1 3 27 2x 1 Với X Khác 0 5