Answer:
4p^4+7p^2+3p+7
Explanation:
(3p+8p^2-2p^4) + (6p^4+7-p^2)
3p+8p^2-2p^4+6p^4+7-p^2
3p+7p^2+4p^4+7
9.5m questions
12.2m answers