x2-4xy+4y2 |
x-2y+1 |
x2-4xy+4y2 |
x-2y+1 |
(x-2y)2 |
x-2y+1 |
9 |
3+1 |
9 |
4 |
9 |
4 |
1 |
m+2 |
1 |
m-2 |
A.-
| B.
| C.-
| D.
|
1 |
a |
1 |
b |
2a-3ab-2b |
a+5ab-b |
x2 |
2x-2 |
x-1 |
x |
x2-9 |
x-3 |
2x-6 |
x2-4x+4 |
x2+6x+9 |
3-x |
2 |
a+1 |
a-2 |
a2-1 |
a2-2a |
a2-2a+1 |
a |
a-1 |
2 |
a -1 |
1 |
a+1 |
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