1 |
a2-b2-c2 |
1 |
b2-a2-c2 |
1 |
c2-a2-b2 |
1 |
(b+c)2-b2-c2 |
1 |
b2-(b+c)2-c2 |
1 |
c2-(b+c)2-b2 |
1 |
2bc |
1 |
-2bc-2c2 |
1 |
-2bc-2b2 |
1 |
2bc |
1 |
2c(b+c) |
1 |
2b(c+b) |
1 |
2bc |
1 |
2ac |
1 |
2ab |
a+b+c |
2abc |
2x-6 |
x-2 |
5 |
x-2 |
A.-
| B.
| C.
| D.
|
1 |
x-2 |
1 |
x+2 |
x2-4 |
x |
a-1 |
a |
2a-1 |
a |
m2+4mn+4n2 |
m-n |
3n2 |
m-n |
5 |
x-2 |
x-3 |
x-2 |
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