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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

Respuesta :

MissPhiladelphia
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.

Answer:

D

Step-by-step explanation: