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

I multiplied all terms of your equation by 4x^2 to get
5x^2 + 4x - 4 = 0

I get (-2+/-2sqrt6)/5
is this correct?

2 answers

Yes, I already answered this for you.
You had it wrong the first time.

http://www.jiskha.com/display.cgi?id=1226257436
thanks so much