1 |
a-1 |
a2-4a+4 |
a2-a |
x-1 |
x |
x-2 |
x+1 |
2x2-x |
x2+2x+1 |
a-2 |
a-1 |
a(a-1) |
(a-2)2 |
a |
a-2 |
1 |
1-2 |
(x-1)(x+1)-x(x-2) |
x(x+1) |
(x+1)2 |
x(2x-1) |
2x-1 |
x(x+1) |
(x+1)2 |
x(2x-1) |
x+1 |
x2 |
x+1 |
x+1 |
a |
b |
b |
a |
a+b |
a |
A.
| B.
| C.
| D.
|
3x |
x-2 |
x |
x+2 |
x |
x2-4 |
a2 |
b |
b2 |
a |
b |
a |
x-1 |
x2-4x+4 |
x2-4 |
x2-1 |
a |
a-b |
(a2+ab)(a-5b) |
(a-b)(a2-5ab) |
x-2 |
x+2 |
4x |
x2-4 |
1 |
x2-4 |
3x |
x-2 |
x |
x+2 |
x |
x2-4 |
1 |
x+2 |
x2+2x+1 |
x2-4 |
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