Order of Operations / PEMDAS in Algebra
Evaluate complex algebraic expressions with nested grouping symbols, exponents, negative signs, and variable substitutions following strict PEMDAS rules.
Key Concepts Covered:
- P - Parentheses & Grouping: Brackets, braces, absolute value, and fraction bars as grouping symbols.
- E - Exponents & Powers: Distinguishing $-x^2$ vs $(-x)^2$ and evaluating exponents before multiplication.
- MD / AS - Equal Precedence: Multiplication & Division left-to-right; Addition & Subtraction left-to-right.