Mathematics, 20.10.2020 04:01 sydneyharding36191

A. Will the sum of 2x3+x2–4 and –5x3–6x2 be a polynomial? B. How do you know
polynomials...
-not closed under subtraction
-are closed under addition
- are not closed under addition
- are closed under subraration
PLZZ HELP I NEED THIS FAST AND I PUT THE POINTS REALLY HIGH

Answers: 3

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A. Will the sum of 2x3+x2–4 and –5x3–6x2 be a polynomial? B. How do you know
polynomials...<...

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A. Will the sum of 2x3+x2–4 and –5x3–6x2 be a polynomial? B. How do you know polynomials... -not closed under subtraction -are closed under addition - are not closed under addition - are closed under subraration PLZZ HELP I NEED THIS FAST AND I PUT THE POINTS REALLY HIGH

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Another question on Mathematics

A. Will the sum of 2x3+x2–4 and –5x3–6x2 be a polynomial? B. How do you know
polynomials...
-not closed under subtraction
-are closed under addition
- are not closed under addition
- are closed under subraration
PLZZ HELP I NEED THIS FAST AND I PUT THE POINTS REALLY HIGH