Answer
$$(y-3)(x-3)(x+3)$$
Work Step by Step
We have $$x^2y-9y-3x^2+27$$
Factorizing $$y(x^2-9) -3(x^2-9)$$ $$(y-3)(x^2-9)$$ $$(y-3)(x-3)(x+3)$$
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.