6x 2 3x 9 2x 2 4x 1 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 6xy - 4y + 6 - 9x