PLEASE HELP WILL MARK AS BRAINIEST!!!!!!!!!!
Add or subtract.

(2x2 + 6x + 1) + (–7x2 + 2x – 3)

A. 5x2 – 4x – 2

B. –5x2 + 8x – 2

C. 5x2 – 8x + 2

D. –9x2 – 8x + 2