x+2 |
x+1 |
x+5 |
x+4 |
x+3 |
x+2 |
x+4 |
x+3 |
x+2 |
x+1 |
x+3 |
x+2 |
x+4 |
x+3 |
x+5 |
x+4 |
(x+2)2-(x+1)(x+3) |
(x+)(x+2) |
(x+4)2-(x+3)(x+5) |
(x+3)(x+4) |
1 |
(x+1)(x+2) |
1 |
(x+3)(x+4) |
5 |
2 |
5 |
2 |
5 |
2 |
2x |
x+3 |
5 |
x+3 |
A.
| B.
| ||||||||||
C.
| D.
|
6x |
2x-3 |
9 |
2x-3 |
1 |
x |
2x |
x+1 |
1 |
2x |
m-1 |
x-1 |
x |
x-1 |
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