Answer:

General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Algebra I
- Standard Form: ax² + bx + c = 0
- Quadratic Formula:

Explanation:
Step 1: Define equation
5m² - 11m - 42 = 0
Step 2: Define variables
a = 5
b = -11
c = -42
Step 3: Find roots
- Substitute:

- Exponents:

- Multiply:

- Add:

- Evaluate:

- Evaluate:
