Answer
$14x^3y^2(1-2x)$
Work Step by Step
$14x^3y^2-28x^4y^2=14x^3y^2\cdot1-14x^3y^2\cdot2x=14x^3y^2(1-2x)$
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.