SOLUTION: 9a^6 - 48a^4 + 64a^2 factor expression completely, if expression is prime, so indicate. (Include the check of your answer using multiplication)

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Question 146178: 9a^6 - 48a^4 + 64a^2 factor expression completely, if expression is prime, so indicate. (Include the check of your answer using multiplication)
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Factor:
9a%5E6-48a%5E4%2B64a%5E2 First, you factor out a%5E2 to get:
a%5E2%289a%5E4-48a%5E2%2B64%29 Now you can factor the trinomial.
a%5E2%283a%5E2-8%29%5E2
You can check this solution by multiplying these three factors.
Try it yourself and see what you get!