SOLUTION: factor completely Show your work. y^4-8y^2-9 I am lost on how to do this problem could someone please show me how to do this problem?

SOLUTION: factor completely Show your work. y^4-8y^2-9 I am lost on how to do this problem could someone please show me how to do this problem?

Algebra.Com

Question 314985: factor completely Show your work.
y^4-8y^2-9

I am lost on how to do this problem could someone please show me how to do this problem?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
y^4-8y^2-9
(Y^2-9)(Y^2+1)
(Y+3)(Y-3)(Y^2+1) ANS.
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