Answer:
21
General Formulas and Concepts:
Pre-Algebra
- Order of Operations: BPEMDAS
Step-by-step explanation:
Step 1: Define
c² + 6c - 3
c = 3
Step 2: Evaluate
- Substitute: 3² + 6(3) - 3
- Exponents: 9 + 6(3) - 3
- Multiply: 9 + 18 - 3
- Add: 24 - 3
- Subtract: 21
