Answer
$-6y^3-2y^4+12y^2$
Work Step by Step
$-2y^2(3y+y^2-6)=-2y^2(3y)-2y^2(y^2)-2y^2(-6)=-6y^3-2y^4+12y^2$
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.