Chapter 6 - Factoring, Solving Equations, and Problem Solving - 6.1 - Factoring by Using the Distributive Property - Concept Quiz 6.1 - Page 242: 1

False.

The coefficient of the given $\text{GCF}$ is $2$. However, the coefficients of the $3$ terms of the expression are $6,12,$ and $18$. Since the $\text{GCF}$ of the coefficients is $6$, not $2$, there is no way that the given GCF is correct.