Answer
$xy(1-5y)$
Work Step by Step
Note that:
$xy=xy
\\5xy^2=xy(5y)$
Thus, the greatest common factor is $xy$.
Factor out $xy$ to obtain:
$xy-5xy^2=xy(1-5y)$
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.