It is two terms of an algebraic expression
3y2 - 2y + 6xy - 4x = y(3y - 2) + 2x(3y - 2) = (y + 2x)*(3y - 2)
The given quadratic expression can be factored as (3y+5)(y-1)
All six of them
(3y2)4*3y2*3y2*3y2*3y2 = 38*y16 = 6561y16
The GCF is 3y2
18x3y5 + 9xy3 - 3xy = 3xy(6x2y4 + 3y2 - 1)
The GCF is 3y2
xn- yn=(x - y)(xn-1 + xn-2y +xn-3y2 +. . .+x2yn-3+xyn-2 + yn-1)
3y4 + 3y2 = 3y2(y2 + 1)
3y2 y x y = y2 3 x y2 = 3y2
It is: 12y^7
The GCF is 3.