Answer
$\dfrac{y}{y-1}$
Work Step by Step
Factor each polynomial to obtain:
$=\dfrac{y(y+1)}{(y+1)(y-1)}$
Cancel the common factors to obtain:
$\require{cancel}
=\dfrac{y\cancel{(y+1)}}{\cancel{(y+1)}(y-1)}
\\=\dfrac{y}{y-1}$
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.