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

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Answer 1 · 2018-03-07T03:28:36

Get rid of the parenthesis by distributing the negative sign:

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

Combine like terms:

$g^3-3g^2+3g+6$

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