(4p^2 - 3p - 7) + (9p - 2) - (8p^4 - 6p^2 + 5p)

(4p^2 - 3p - 7) + (9p - 2) - (8p^4 - 6p^2 + 5p)

4p^2 - 3p - 7 + 9p - 2 - 8p^4 + 6p^2 - 5p

- 8p^4 +4p^2+ 6p^2 - 3p+ 9p- 5p - 2 - 7

- 8p^4 + 10p^2 + p -9