Question

How do you combine `2p ^ { 3} - 4p ^ { 4} + 5p ^ { 2} + 5p + 2p ^ { 2} - p ^ { 3}`?

Answer 1

Sort according to exponent:

`2p ^ { 3} - 4p ^ { 4} + 5p ^ { 2} + 5p + 2p ^ { 2} - p ^ { 3}`

`=-4p^4+(2p^3-p^3)+(5p^2+2p^2)+5p`

`=-4p^4+p^3+7p^2+5p`