It is 5xy + 5x.
No.No.No.No.
x2 + 5xy - 18y2 can not be factored.
What is : 5xy- x2t + 2xy + 3x2t
5xy+4=9
(-5xy):(-xy)=
1xy
The GCF is 5xy.
All six of them
5xy (2x - 3y + 4 )
You need at least two terms to find a GCF.
(5x + y)(25x^2 - 5xy + y^2)
It is: 7a/5xy