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