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avatar+955 

Factor  $9a^4 +3a^3- 21a + 6a^3 + 21a$ as far as you can.

 Jan 1, 2024
 #1
avatar+126665 
+1

Simplify as

 

9a^4 + 9a^3  =  9a^3 (a  -1)

 

 

cool cool cool

 Jan 1, 2024

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