SOLUTION: I am having difficulty factoring (x^4 - 1). The following is my attempt, will someone please help me with this? Thanks, x16 � 1 (x4)4 � 1 (x4 � 1)(x4 + 1) (x2 � 1)(x4 + 1

Question 293349: I am having difficulty factoring (x^4 - 1). The following is my attempt, will someone please help me with this? Thanks,
x16 � 1
(x4)4 � 1
(x4 � 1)(x4 + 1)
(x2 � 1)(x4 + 1)(x4 � 1)
(x2 � 1)(x2 + 1)(x4 � 1)
(x+1)(x-1)(x2 + 1)(x4 + 1)

Found 2 solutions by helpnalgebra, jim_thompson5910:
Answer by helpnalgebra(91) (Show Source): You can put this solution on YOUR website!
remove the parentheses around the expression

not sure if it was a trick question by your teacher.
answer is x^4-1
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
If the expression is , then . Let me know if you need help getting that answer.

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