SOLUTION: For which non zero real values of x is -x^-4 =(-x)^-4. Explain?.

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Question 715191: For which non zero real values of x is -x^-4 =(-x)^-4. Explain?.
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

-x%5E-4+=%28-x%29%5E-4

-1%2Fx%5E4+=1%2F%28-x%29%5E4

-1%2Fx%5E4+=1%2Fx%5E4....since you have 1%2Fx%5E4 on both sides, and left side is negative, there is no x value that will make it true; so, no solution exist