Please help will give 100 points and brainliest

Rewrite x^4y^2 − 3x^3y^3 using a common factor.

a) 3xy(x^3y − x^2y)

b) 3xy^2(x^2 − x^2y)

c)x^2y(xy − 3xy^2)

d) x^2y^2(x^2 − 3xy)