X 2 4 2x 6 3 0 July 8, 2019 16 32 64 128 X 4 2x 3 x 2 4x 6 0 2x 4 2x 3 11x 2 x 6 0 X 4 2x 3 4x 2 5x 6 0 X 4 5x 3 2x 2 112x 6 0 X 2 4 )( 2x x 3 )= 0 lớp 6 X2 4 )( 2x 6 )( x 3 )= 0
