x-1 |
x+1 |
2X |
x2-1 |
1 |
x2-1 |
2008 |
2008 |
2008 |
x-1 |
x+1 |
2x |
x2-1 |
1 |
x2-1 |
x-1 |
x+1 |
2x |
(x+1)(x-1) |
2008 |
2008 |
(a+b+c)3 |
abc |
(b-c-a)3 |
abc |
(c-a-b)3 |
abc |
(a-b-c)3 |
abc |
1 |
n |
1 |
p |
1 |
m |
1 |
p |
1 |
m |
1 |
n |
a4+ma2+1 |
3a3+ma2+3a |
3 |
x+y |
4 |
y+z |
5 |
z+x |
x2+y2+z2 |
xy+yz+zx |
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