a2-4a+4 |
4a2-4a+1 |
x+1 |
x2+x-2 |
3 |
x+2 |
3 |
a2-4a+4 |
4a2-4a+1 |
(a-2)2 |
(2a-1)2 |
x+1 |
(x+2)(x-1) |
x+2 |
(x+1)(x-1) |
1 |
(x-1)2 |
3 |
2-
| ||
2 |
1 |
a |
a |
a+1 |
4 |
a+1 |
a2-1 |
a |
2 |
2 |
1 |
x+y |
1 |
x-y |
2x |
x2-2xy+y2 |
a+1 |
a-1 |
1 |
a2-2a+1 |
a |
a-1 |
1 |
5 |
x+y |
x |
x+2y |
2x-y |
1 |
x |
x2-2x+1 |
x |
2 |
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