6x ^ 4 5x ^ 2 - 6 July 8, 2019 16 32 64 128 6x 4 5x 2 6 6x 3 5x 4 )- 2 7x 3 )=- 6 X 4 6x 3 5x 2 6x 1 6x 4 5x 3 38x 2 5x 6 0 6x 4 5x 3 38x 2 5x 6 6x 7 )( 5x 4 )= 6 5x2 1 3x 4 )( 5x 2 6x 6 X 4 6x 6 5x 2 X 4 6x 2 5x 6 dibagi x 4 6x 2 6x 4 )-( x 2 5x 9 Giải pt 6x 4 5x 3 38x 2 5x 6 0 X 4 x 1 5x 2 6x 6 0
