Key Concepts:
- Like terms are terms that have the same variable(s) raised to the same power.
- Expressions can be simplified by combining (additing or subtracting) like terms.
Skills Covered:
- Identifying and grouping like terms.
- Performing addition and subtraction to simplify expressions.
Example Problems:
- Simplify: (3x + 5x - 2x); Solution: (6x)
- Simplify: (4y^2 + 7y - 3y^2 + 2y); Solution: (y^2 + 9y)