Answer :

Edmund
First, combine all like terms. Therefore:
[tex]3p^3+5p^2+2p^2-3[/tex]
Then, simply follow the operation,
[tex]3p^3+7p^2-3[/tex]
tadvisohil886
[tex](5p^2 - 3) + (2p^2 - 3p^3) \\ \\ = 5p^2 + 2p^2 - 3p^3 - 3 \\ \\ = -3p^3 + 7p^2 - 3[/tex]