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  Any expression with one or more terms is called polynomial.

  Example:

  3x+2,4x2-x+2,and 4x+3xy+y2are all polynomials.

  (3x+5/(2x+y))and sin(3x+2) are not polynomials.

  Remember:

  Order of a polynomial is the highest power of any variable.

  The highest power in an n-th order polynomial is n.

  Both monomials and binomials are polynomials of order 1 and 2,

  respectively.

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