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After arranging the terms in descending powers of a variable, select the opposite of the polynomial.



9 - 12n2 + 4n3 - 7n

4 n3 + 12 n2 + 7 n + 9
-4 n3 - 12 n2 + 7 n - 9
4 n3 - 12 n2 - 7 n + 9
-4 n3 + 12 n2 + 7 n - 9

Respuesta :

stellarc243

Answer: -4n3+12n2+7n-9

Step-by-step explanation: it basically the opposite sign (positive or negative) switched, and the order backwards. hope that helped

zachtaylor6

Answer:-4n3+12n2+7n-9

Step-by-step explanation:

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