SOLUTION: Please help x^4-6x^2+5=0

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Question 30147: Please help
x^4-6x^2+5=0

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
x~4-6x~2+5=0
The only factors of 5 that can add up to -6 are -5&-1.
Therefore the factors are (x~2-5)(x~2-1). The second term may be also be factored into (x+1)(x-1) which gives the following (x~2-5)(x+1)(x-1).