SOLUTION: why is 7x^2+3x^-2 not a polynomial expression

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Question 741271: why is 7x^2+3x^-2 not a polynomial expression

Answer by solver91311(24713) About Me  (Show Source):
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A polynomial is an expression of finite length constructed from variables and constants, using only the operations of addition, subtraction, multiplication, and non-negative integer exponents.

John

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