Question

(6+8n2−9n)+(1+5n2+11n)

Answer 1

13n^2 + 2n + 7

Explanation:

(6+8n2−9n) + (1+5n2+11n)

6+8n2−9n + 1+5n2+11n

7 + 13n^2 - 9n + 11n

7 + 13n^2 + 2n

In Standard Form

13n^2 + 2n + 7