SOLUTION: X^4-12x^2+11=0
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Question 275468: X^4-12x^2+11=0
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
X^4-12x^2+11=0
(X^2-11)(X^2-1)=0
(X^2-11)(X+1)(X-1)=0
X^2-11=0
X^2=11
X=SQRT11 ANS.
X+1-0
X=-1 ANS.
X-1=0
X=1 ANS.
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