(- 2x 2 4x 1 )-( 6x 2 3x 9 July 8, 2019 16 32 64 128 Subtract - 2x 2 4x 1 from 6x 2 3x 9 Resta - 2x 2 4x 1 de 6x 2 3x 9 2x 4x 2 6x 2 9 1 x 3x