Which expression is equivalent to (– 17x3 + 91x – 5) – (9x3 – x2 + 6)? A – 8x3 – x2 + 91x + 1 B – 8x3 + x2 + 91x – 11 C – 26x3 – x2 + 91x + 1 D – 26x3 + x2 + 91x – 11