Answer:
30
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Explanation:
Step 1: Define
6² + x - x²
x = 3
Step 2: Evaluate
- Substitute: 6² + 3 - (3)²
- Exponents: 36 + 3 - 9
- Add: 39 - 9
- Subtract: 30