12 |
m2-9 |
2 |
3-m |
3 |
x+2 |
1 |
2-x |
2x |
4-x2 |
12 |
(m+3)(m-3) |
1 |
m-3 |
12-m-3 |
(m+3)(m-3) |
9-m |
(m+3)(m-3) |
9-m |
m2-9 |
3(x-2) |
(x+2)(x-2) |
x+2 |
(x+2)(x-2) |
2x |
(x+2)(x-2) |
3x-6-x-2+2x |
(x+2)(x-2) |
4(x-2) |
(x+2)(x-2) |
4 |
x+2 |
5 |
6 |
x2-9 |
1 |
x+3 |
4 |
x2 |
x-2 |
4x |
x-2 |
4 |
x-2 |
x |
x-y |
y |
x-y |
2m |
m2-9 |
1 |
m+3 |
m |
m-2 |
2 |
2-m |
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