Answer:
9x³ - 2x - 3
General Formulas and Concepts:
Algebra I
Explanation:
Step 1: Define
Identify
(6x³ - 8x - 5) + (3x³ + 6x + 2)
Step 2: Simplify
- Combine like terms (x³): 9x³ - 8x - 5 + 6x + 2
- Combine like terms (x): 9x³ - 2x - 5 + 2
- Combine like terms: 9x³ - 2x - 3