SOLUTION: What does it mean to completely factor and expression? Illustrate factoring an expression completely by showing which factoring formula(s) you would apply to completely factor the

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Question 362401: What does it mean to completely factor and expression? Illustrate factoring an expression completely by showing which factoring formula(s) you would apply to completely factor the expression "x4 - 1"?

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x^4 - 1 This is a perfect square polynomial.
(x^2+1)(x^2-1) The second factor is also a perfect square polynomial.
(x^2+1)(x+1)(x-1) ans.