x2-4 |
x2-4x+4 |
2-x |
x+2 |
x |
x-2 |
A.-
| B.
| C.-
| D.
|
(x-2)(x+2) |
(x-2)2 |
2-x |
x+2 |
x-2 |
x |
x+2 |
x-2 |
2-x |
x+2 |
x-2 |
x |
x+2 |
x |
(2-x)2 |
x(x+2) |
(x+2)2-(2-x)2 |
x(x+2) |
8x |
x(x+2) |
8 |
x+2 |
1 |
2x |
1 |
x+y |
x+y |
2x |
2 |
1 |
x+2 |
x2-1 |
x+2 |
4 |
x2-4 |
1 |
x+2 |
1 |
x-2 |
1 |
a+1 |
a+3 |
a2-1 |
a2-2a+1 |
a2+4a+3 |
2 |
a-1 |
1 |
a+1 |
3 |
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