Add or subtract the polynomials.

Question

(n^2 - n + 5) + (n - 8)
A) n^2 - 3
B) n^2 - n - 3
C) n^2 + 3
D) n^2 + n + 3

Answer 1

(n^2 - n + 5) + (n - 8)
= n^2 - n + 5 + n - 8
= n^2 - n + n + 5 - 8
= n^2 - 3

So, the answer is A) n^2 - 3