a2-3a |
a2+4a+4 |
a-3 |
a+2 |
2 |
a+2 |
3 |
a(a-3) |
(a+2)2 |
a-3 |
a+2 |
2 |
a+2 |
a(a-3) |
(a+2)2 |
a+2 |
a-3 |
2 |
a+2 |
a-2 |
a+2 |
3 |
a-2 |
a+2 |
4
| ||
3 |
x2-4x+4 |
x2-4 |
x2-2x |
x+2 |
1 |
x |
a2+2a+1 |
a2-a |
a+1 |
a-1 |
a2 |
b |
a |
b2 |
1 |
ab |
1 |
x+1 |
1 |
x-1 |
1 |
x2+x |
a-1 |
a |
1 |
a |
A.
| B.1 | C.
| D.-1 |
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