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