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Which of the following shows the polynomial below written in descending order? 3x3 + 9x7 - x + 4x12 A. 3x3 + 4x12 + 9x7 - x B. 9x7 + 4x12 + 3x3 - x C. 4x12 + 3x3 - x + 9x7 D. 4x12 + 9x7 + 3x3 - x
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Which of the following shows the polynomial below written in descending order?

3x3 + 9x7 - x + 4x12

A. 3x3 + 4x12 + 9x7 - x
B. 9x7 + 4x12 + 3x3 - x
C. 4x12 + 3x3 - x + 9x7
D. 4x12 + 9x7 + 3x3 - x

User Nadeem
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1 Answer

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To write the polynomial in descending order, arrange the terms from the highest to the lowest degree. Simply base on the exponents of the variable x. You have 3, 12, 1 and 7. In descending order, that would be: 12, 7, 3 and then 1. The answer is D.
User Alireza Mahmoudi
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