Polynomials

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Across
  1. 3. A polynomial with one term only (8 letters)
  2. 4. Symbol used to represent unknown value (8 letters)
  3. 6. When degree is 3 (5 letters)
  4. 9. Another word for “power” in polynomials (6 letters)
  5. 12. A single number or variable or product of both (4 letters)
  6. 13. Expression with three terms (9 letters)
  7. 14. A constant polynomial has no ______ (8 letters)
Down
  1. 1. Combining like terms or removing brackets (11 letters)
  2. 2. When degree is 2 (9 letters)
  3. 5. Algebraic expression with many terms (10 letters)
  4. 6. A number multiplied with a variable in a term (9 letters)
  5. 7. A polynomial with two terms (8 letters)
  6. 8. When degree is 1 (6 letters)
  7. 10. Removing brackets and simplifying (10 letters)
  8. 11. The highest power in a polynomial tells this (7 letters)