Practice problem
If yyy is a nonzero constant, find the remainder when x−yx-yx−y is divided by xy−1xy-1xy−1.
1−y1-y1−y
y−1−yy^{-1} - yy−1−y
yyy
y−1y^{-1}y−1
000
Type a concept, like “slope” or “photosynthesis”.