The GCF of 9 and 21 is 3.
9 This expression can be simplified to: 9x
The GCF of 9 and 21 is 3.
The GCF is 3.
No because it contains an equal sign in it.
The GCF is 3.
The GCF is 3. The LCM is 63.
The greatest common factor (GCF) for 9 and 21 is 3.
The GCF of 21 and 9 is 3. 21 and 9 can only be divided by three.
The GCF is 3.
The GCF is 1.
It is (a + 9).
The GCF is 3.