Across
- 3. a monomial separated by plus or minus signs
- 5. Parentheses change
- 7. 2 term
- 8. get what you started with (mirror image)
- 9. cancels out
Down
- 1. order changes
- 2. any algebraic expression
- 4. has both of adding and multiplication in the same example
- 6. 1 term