Quant Problem Solution

[segufta.gre]

Solution please

[HoldMyBeer]

2-\sqrt x -2x-x \sqrt x=0
Find the common factor
(\sqrt x-2)(x-1)
real solutions x=4,x=1
Hence, cross-out anything that are not the above two–> everything except 1

[segufta.gre]

Thanks a lot!

[sakthisreev]