x-2 |
x+3 |
x2-9 |
x2-4 |
3 |
x-4 |
24 |
x2-16 |
1 |
2x |
1 |
x+y |
x+y |
2x |
x-2 |
x+3 |
(x+3)(x-3) |
(x+2)(x-2) |
x-3 |
x+2 |
3 |
x-4 |
24 |
(x+4)(x-4) |
3(x+4)-24 |
(x+4)(x-4) |
3x-12 |
(x+4)(x-4) |
3 |
x+4 |
1 |
2x |
1 |
x+y |
(x+y)(1-2x) |
2x |
1 |
2x |
1-2x |
2x |
1-1+2x |
2x |
1 |
x-2 |
x2-1 |
2x-4 |
1 |
a-b |
1 |
a+b |
b |
a2-2ab+b2 |
2 |
2 |
1 |
f |
1 |
u |
1 |
v |
x2 |
x-2 |
4 |
2-x |
x-2 |
2x |
1 |
a |
1 |
b |
a-2ab-b |
2a-2b+7ab |
A.
| B.-
| C.
| D.-
|
x2 |
x+y |
2y2 |
x2+2xy+y2 |
x2-y2 |
x-y |
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