Question 31216
(4-xsquared)/(x+2) is -(xsquared -4)/(x+2) then, -{(x+2)(x-2)}/(x+2)
now cancel (x+2) on both top and bottom. then, -(x-2)/1 which is -(x-2).
the answer is either -(x-2) or -x+2 or 2-x.