polynomials

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Across
  1. 4. expand and collect like terms
  2. 11. polynomial terms written by decreasing order of degree
  3. 12. polynomial of degree three
  4. 13. (a+b)(a-b)
  5. 15. reverse of expanding
Down
  1. 1. an expression that consist of terms connected by addition or subtraction
  2. 2. reverse of multiplication
  3. 3. polynomial of degree zero
  4. 5. reverse of adding
  5. 6. highest power of a polynomial
  6. 7. ax^2+bx+c=0
  7. 8. polynomial of degree two
  8. 9. polynomial with two terms
  9. 10. ax^2+bx+c
  10. 14. (a+b)(a+b)
  11. 16. polynomial with three terms