# Math

Solve: x^-2 - x^-1= 5/4

I have the answer as (5+/- sqrt29)/2

Is this right?

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3. 👁 105
1. no
I multiplied all terms of your equation by 4x^2 to get
5x^2 + 4x - 4 = 0

using the formula gave me (-2 ±4√6)/5
which verified upon substitution.

you should have tried your answer in the original equation, it does not work.

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posted by Reiny
2. I tried the equation and got

(-2 �}2�ã6)/5

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posted by Shawn

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