sayerbear18 sayerbear18 12-05-2017 Mathematics contestada Subtract and simplify: (10x4 – 2x + 7) – (6x4 + 2x3 – 4x2 – 1) A. 4x4 – 2x3 + 4x2 – 2x + 6 B. 4x4 + 2x3 – 4x2 – 2x + 8 C. 4x4 – 2x3 + 4x2 – 2x + 8 D. 16x4 + 2x3 + 4x2 – 2x + 8