factor:
(x-1)^1/2 - x(x-1)^-1/2
ive tried multiple different ways to firgure it out, but i cant seem to get too far in my work, i just don't know where to start.
your common factor is (x-1)^-1/2
so you would get
(x-1)^-1/2((x-1) - 1)
= -(x-1)^-1/2
or 1/(x-1)^-1/2
or 1/√(x-1)