Polynomials

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Across
  1. 4. Integer multiplied with a variable
  2. 5. The number in a expression
  3. 6. It is an algebraic expression
  4. 7. The power
  5. 8. Three terms
  6. 9. degree 3
  7. 11. degree 1
  8. 12. 1 term
Down
  1. 1. The unknown value denoted by an alphabet
  2. 2. The constant polynomial whose coefficient is 0
  3. 3. Two terms
  4. 10. degree 2