SOLUTION: This is an online course- I have no book. Solve x^4-7x^2+6=0 Possible Annswers: (A) +1, +6 (B) none of these (C) 1, 6 (D) +1, +sqrt6 Thank you!

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Question 31611: This is an online course- I have no book.
Solve x^4-7x^2+6=0
Possible Annswers:
(A) +1, +6
(B) none of these
(C) 1, 6
(D) +1, +sqrt6
Thank you!

Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!
X~4-7X~2+6=0 OR (X~2-6)(X~2-1)=0 OR X~2=6 OR X=SQRT6 AND (X+1)(X-1)=0
OR X=-1 AND X=1 OR ANSWERS ARE (-1,+1,SQRT6) OR ANSWER (B)

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