haleygoodmon haleygoodmon 26-10-2020 Mathematics contestada Use the grouping method to factor this polynomial completely. 2^3 + 6x^2 + 5x + 15 A. (2x2 + 3)(x + 3) B. (2x2 + 5)(x+5) C. ( 2x2 + 3)(x + 5) D. (2x2 + 5)(x+3)