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i forget factoring and am trying to help son 4A-16ato fouth -16ato the second

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2 Answers

Hi Glenn;
4a-16a2-16a4
We must begin with the highest exponential...
-16a4-16a2+4a
-4a(4a3+4a-1)
 
This is as far as I could get.

Comments

Unless there was a typo in the question, I agree with your answer.

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