X 8 )( 3x 2 5x 4 July 8, 2019 16 32 64 128 5x 3x 2 4x 8 x 20 3x 2 5x 8 )-( 4x 2 x 6 X 2 5x 36 8 căn 3x 4 X 2 3x 10 )+( 8 4x 5x 2