expressions unit by Athan Forster

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