Question

What are both values of X that satisfy (x+(1/x))^2 = 4

Answer 1

1 and -1

Answer 2

Please explain also :)

Answer 3

Square root both sides and you have x+1/x=2

Answer 4

Ohh nvm

Answer 5

Dahhhh It's so obvious now haha thank you

Answer 6

Then you can multiply all terms by x...and factor...and all that fun stuff. Good?

Answer 7

by taking square root both side x+1/x=+2 and -2 then

Answer 8

Oh, you can reject -2.

Answer 9

wait can you factor a x out of 1/x?