straightbarz6114 straightbarz6114 20-02-2018 Mathematics contestada Use the grouping method to factor the polynomial below completely. 2x3 + 16x2 + 7x + 56 A. (x2 + 8)(x + 7) B. (x2 + 7)(x + 8) C. (2x2 + 7)(x + 8) D. (2x2 + 8)(x + 7)