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What is the greatest common factor of $(a^2 - 9)$ and $(3a^2 - 3a)$?

 Mar 6, 2024
 #1
avatar+128794 
+1

a^2 - 9   = (a + 3) (a - 3)

3a^2 - 3a  =  3a ( a  - 1)

 

GCF  =  1

 

cool cool cool

 Mar 7, 2024

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