SOLUTION: how to solve for x the equation is H(x)x^4 -2x^2 -1 when x=x

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Question 486795: how to solve for x the equation is H(x)x^4 -2x^2 -1 when x=x
Answer by chessace(471) About Me  (Show Source):
You can put this solution on YOUR website!
x=x all the time! (typo)
H(x) = x^4 - 2x^2 -1 should be recognized as
(y-1)^2 where y = x^2