Question

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

Answer 1

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

Explanation:

Answer 2

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