Answer: (2x5 + 9x4 - 17x2 + 30) - (8x5 + 13x4 + 5x2 - 5). A. -6x5 + 4x4 + 22x2 - 35. B. 10x5 + 22x4 - 12x2 + 25 ... 3. Simplify: (3x - 9)(6x2 + 9x - 2) ... 5. Simplify the following expression. (7x2 + 6x - 3) - (4x2 + 7) ... Answers. 1. A 2. D 3. D 4. B 5. C 6. B 7. D 8. D 9. D 10. A ... + (-5)(6). = 12x3 + 6x2 + 18x - 20x2 - 10x - 30.
Step-by-step explanation: