3 2 x 1 81 July 8, 2019 16 32 64 128 3 2x 2 6 1 81 3 x 2 5x 2 1 81 3 х 2 5х 2 1 81 5 x 3 2 1 81 3 x 2 9 x 1 810 3 x 2 9 x 1 810 0 3x x 1 2 3 81 3 mũ 2 x 1 81 27 2 3 x 81 1 4 3 x 2 4x 1 1 81 3 2x 1 81 2x 4 4x 3 2 2x 1 )( x 1 )= 810 3 2x 1 81 x 2 9 x 3 2 1 81 3 x 81 )( x 2 1 )= 0
