math

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john k john k
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math

Which expressions are polynomials?

Select each correct answer.

 

−7x2+53x

−x2+5x

x2+5x15

6x² + 5x
Proof 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