2x 4 5x 2 x 1 0 July 8, 2019 16 32 64 128 2x 4 5x 2 1 0 2x 4 )( 1 5x 3 )( x 2 4 )= 0 5x 2 5 4 x 2 2x 1 )= 0 2 x 5 0 5x 1 2x 4 0 25 Cho pt 2x 4 5x 2 x 1 0 Cho phương trình 2x 4 5x 2 x 1 0 2x 1 x 2 4x 4 5x x 2 25x 5x 10 0 2 x 2 5 2x 5
