SOLUTION: solve the equation in the real number system x^4-x^3+2x^2-4x-8=0

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Question 628610: solve the equation in the real number system
x^4-x^3+2x^2-4x-8=0
Answer by Alan3354(69443) About Me  (Show Source):
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solve the equation in the real number system
x^4-x^3+2x^2-4x-8=0
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4th orders can be tough.
Step 1, check for integer solution.
Those would be the factors of 8.
1 & 2 plus and minus