SOLUTION: what is the greatest common factor of the monomials 18x2, 27x4, 30x3?

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Question 338047: what is the greatest common factor of the monomials 18x2, 27x4, 30x3?
Found 2 solutions by rfer, benazir.sj@gmail.com:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3x^2(6)
3x^2(9x^2)
3x^2(10x)

Answer by benazir.sj@gmail.com(109) About Me  (Show Source):
You can put this solution on YOUR website!
18x^2 =3*3*2 *x^2
27x^4 =3*3*3*x^2 *x^2
30x^3 =3*5*2*x^2*x
GCF =3*x^2
=3x^2