x^-4+2x^-2-8=0

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Solution for x^-4+2x^-2-8=0 equation: 



x^-4+2x^-2-8=0

We add all the numbers together, and all the variables

3x-14=0

We move all terms containing x to the left, all other terms to the right

3x=14

x=14/3

x=4+2/3

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