Answer
$n=0, 2$
Work Step by Step
$3n^2=6n$
$3n^2-6n=6n-6n$
$3n^2-6n =0$
$3n(n-2)=0$
$3n=0$
$3n/3=0/3$
$n=0$
$n-2=0$
$n-2+2=0$
$n=2$
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.