1. C OMBINING L IKE T ERMS Section 1.4

2. T ERMS

3. L IKE T ERMS U NLIKE T ERMS

4. L IKE T ERMS

5. H ANDS -O N E QUATIONS Blue Pawn: Positive x White Pawn: Negative x Green Cube: Positive numbers Red Cube: Negative numbers

6. R EPRESENT 3x+5+2x+2

7. R EPRESENT 2x+3+5x-6

8. R EPRESENT -3x+1-2x-6

9. R EPRESENT 4x-8-5x+2

10. S IMPLEST F ORM Contains no like terms and no parentheses.

11. C OMBINING L IKE T ERMS

12. C OEFFICIENT It is the numerical factor. The number being multiplied by the variable. To combine like terms we can simply combine the coefficients of the like terms.

13. S IMPLIFY :

22. H OMEWORK Worksheet