## Introductory Algebra for College Students (7th Edition)

$6x^4y^3$
The $GCF$ of $18,6,$ and $12$ is $6 .$ The $GCF$ of $x^5,x^6,$ and $x^4$ is $x^4 .$ The $GCF$ of $y^4,y^3,$ and $y^5$ is $y^3 .$ Hence, the $GCF$ of the given expressions, $18x^5y^4, 6x^6y^3, \text{ and } 12x^4y^5 ,$ is \begin{array}{l}\require{cancel} 6x^4y^3 .\end{array}