8 |
3 |
2 |
3 |
2 |
3 |
x-1 |
x+1 |
x2 |
x-1 |
3 |
x+1 |
2x |
x2+1 |
x-1 |
x+1 |
(x+1)-2 |
x+1 |
2 |
x+1 |
x2 |
x-1 |
x2-1+1 |
x-1 |
(x+1)(x-1)+1 |
x-1 |
1 |
x-1 |
x-1 |
x+2 |
2x-1 |
x+1 |
x-1 |
x+2 |
(x+2)-3 |
x+2 |
3 |
x+2 |
2x-1 |
x+1 |
2(x+1)-3 |
x+1 |
3 |
x+1 |
2x-1 |
x+1 |
3 |
x+1 |
a |
bc |
x2 |
y |
y2 |
x |
x+2 |
x2-2x |
x-1 |
x2-4x+4 |
4-x |
x |
2a |
a2-9 |
1 |
a-3 |
1 |
a |
1 |
b |
a2-b2 |
ab |
xy2-x3 |
y |
x |
yz |
y |
zx |
z |
xy |
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