Question

Help!! Factor completely 9x^4y-6x^3y^2+3x^2y^3

Answer 1

I think is 3x2y3x2y out of 9x4y−6x3y2+3x2y39x4y-6x3y2+3x2y3.3x2y(3x2−2xy+y2)

Answer 2

THe GCF of the numbers = 3
x terms GCF = x^2
y terms GCF =  y 

so we have 

3x^2y(3x^2 - 2xy + y^2)   (answer)