2x |
x-1 |
2 |
x-1 |
2(x-1) |
x-1 |
2x |
x2-9 |
1 |
3-x |
A.
| B.
| C.
| D.
|
3x |
x-4y |
x+y |
x-4y |
7y |
x-4y |
A.-
| B.
| C.-2 | D.2 |
2b2 |
a+b |
A.
| B.a+b | C.
| D.a-b |
c |
2ab |
b |
3a2c |
12 |
m2-9 |
2 |
3-m |
12 |
m2-9 |
2 |
3-m |
12 |
(m+3)(m-3) |
2 |
m-3 |
12 |
(m+3)(m-3) |
2(m+3) |
(m-3)(m+3) |
12-2(m+3) |
(m+3)(m-3) |
-2m+6 |
(m+3)(m-3) |
2 |
(m+3) |
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