RobbeeloStacovema RobbeeloStacovema 31-01-2016 Mathematics contestada −1w + 4w4 + y4 – 3y4 – 2w – 3w4 a. −2w4 – 2y4 b. −w4y4 – 3w c. w4 – 3w – 2y4 d. 12w4 + 2w – 3y4