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Which one of the following is a solution to the equation x4 − 2x2 ... ...

Which one of the following is a solution to the equation x4 − 2x2 = −1?


(A) 0
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Math - Problem Set B: Substitution (Plugging in)

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Posted: 11/21/2012 10:57
The answer is (B)
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Which one of the following is a solution to the equation x4 − 2x2 ... ... 
Posted: 07/09/2015 07:29
Would the correct answer not be B, because once you do all of the problem it turns out to be 4 - 4 = 0??
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