Basic Algebra

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Across
  1. 4. UNKNOWN
  2. 5. PRODUCT
  3. 8. OPERATION
  4. 9. SUBSTITUTE
  5. 10. EXPRESSION
Down
  1. 1. LIKE TERMS
  2. 2. SIMPLIFY
  3. 3. COEFFICIENT
  4. 6. COLLECT
  5. 7. FACTOR