Answer :
Ok first find the GCF ( Greatest Common Factor) of 6 and 30
This is 6.
Now x and x2 :- this is x
of y and y^4:- it is y
So the rquired GCF is 6xy.
This is 6.
Now x and x2 :- this is x
of y and y^4:- it is y
So the rquired GCF is 6xy.