Answer :

Answer:

Step-by-step explanation:

To find the greatest common factor of 9x and 15, we need to factor both expressions first.  

Factor 9x: 9x = 3 3 x = 3^2 * x  

Factor 15: 15 = 3 * 5  

Now, let's identify the common factors between 9x and 15:

Common factors: 3  


Therefore, the greatest common factor (GCF) of 9x and 15 is 3.


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