Answer
$6g^2-9g+4$.
Work Step by Step
The given polynomial is
$=(3g^2-g)+(3g^2-8g+4)$
Clear the parentheses.
$=3g^2-g+3g^2-8g+4$
Group like terms.
$=3g^2+3g^2-g-8g+4$
Combine like terms.
$=6g^2-9g+4$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.