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john k
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math
Which expressions are polynomials?
Select each correct answer.
−7x2+53x
−x2+5x
x2+5x15
6x² + 5x
Proof
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Re: math
The way you have them written,
7x² + 53x
x² + 5x
6x² + 5x
are all polynomials
Not sure what x² + 5x15 means.
 Proof
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