2x 4 5x 3 4x 2 5x 2 July 8, 2019 16 32 64 128 2x 4 5x 3 4x 2 5x 2 0 2x 4 6x 3 x 2 5x 4 5x 3 4x 2 3x 7 (- 7x 4 5x 2 4x )-( 3x 4 5x 3 2x 2
