3x 3 7x ) ( 2x 3 6x 2 July 8, 2019 16 32 64 128 3x 3 7x )+( 2x 3 6x 2 3x 3 9x 2 2x )-( 7x 3 6x 2 1 4 7x 3 6x 2 3x 3 3 2x 2 3x 4 7x 3 3x 2 2x 5x 4 4x 3 6x 2 3x + 2y = 6
