What is the simplified form of (–3x3y2)(5xy–1)?

(1 point)
Responses

15 x squared divided by y squared.
Image with alt text: 15 x squared divided by y squared.

–15x3y2
–15 x 3 y 2

–15x4y
–15 x 4 y

15x4y

The simplified form of (–3x3y2)(5xy–1) is –15x4y.