Answer
$p^{3}$ - 7$p^{2}$ - p - 7
Work Step by Step
1. Use the distributive property to distribute the negative sign.
$p^{3}$ - 4$p^{2}$ + p - 3$p^{2}$ - 2p - 7
2. Group like terms together.
$p^{3}$ - 4$p^{2}$ - 3$p^{2}$ + p - 2p - 7
3. Add like terms.
$p^{3}$ - 7$p^{2}$ - p - 7
