To find the greatest common factor (GCF) of the expression
-
Identify the coefficients:
- The coefficient of
is 15. - The coefficient of 6 is 6.
- The coefficient of
-
Find the factors:
- The factors of 15 are:
. - The factors of 6 are:
.
- The factors of 15 are:
-
Determine the common factors:
- The common factors of 15 and 6 are:
.
- The common factors of 15 and 6 are:
-
Greatest common factor:
- The greatest common factor is
.
- The greatest common factor is
Thus, the GCF of