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 ->  Polynomials-and-rational-expressions -> 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?      Log On


   

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) About Me  (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.