Question

Find (3c2 - 8c + 5) + (c2 - 8c - 6).

A
3c2 - 1

B
4c2 - 16c - 1

C
2c2 - 16c - 1

Answer 1

Answer: B

4c^2 - 16c - 1

Explanation:

(3c2 - 8c + 5) + (c2 - 8c - 6).

remove parantheses.

3c2 - 8c + 5 + c2 - 8c - 6

add common factors

answer= 4c^2 - 16c - 1