Recent content by malknar

I got it now, thanks everyone. As usual the solution is simpler than expected. My mistake was not considering ##-3 = 9^{1/2}##

Homework Statement An exercise in Lang's Basic Mathematics which asked to solve for x in the equation ##(x - 5)^{-2} = 9## I tried to solve it and got ##x = \frac {16} 3## which is correct according to the book, but I've found that the book states that x also equals \frac {14}3, and I can't...