Question

How do you find the sum or difference of `(g^3-2g^2+5g+6)-(g^2+2g)`?

Answer 1

Get rid of the parenthesis by distributing the negative sign:

`g^3-2g^2+5g+6-g^2-2g`

Combine like terms:

`g^3-3g^2+3g+6`