SOLUTION: Hello. I'm needing some help with checking what I did wrong on this problem: Factor each completely. Some may require several steps. a^4 - 16 thanks!

SOLUTION: Hello. I'm needing some help with checking what I did wrong on this problem: Factor each completely. Some may require several steps. a^4 - 16 thanks!

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Question 186497: Hello.
I'm needing some help with checking what I did wrong on this problem:
Factor each completely. Some may require several steps.
a^4 - 16
thanks!
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Factor"
=
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