SOLUTION: find the root of the equation x^4-3x^2-54=0

SOLUTION: find the root of the equation x^4-3x^2-54=0

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Question 378944: find the root of the equation x^4-3x^2-54=0
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use a substitution.
Let , then

Two solutions:

.
.
.

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