2x-3 |
x |
x2-9 |
x |
2x-3-x |
x |
x |
(x+3)(x-3) |
1 |
x+3 |
1 |
5 |
3 |
a2-ab |
a2 |
a |
b |
b |
a |
x2+6x+9 |
x2-9 |
x+3 |
x2-3x |
(x+1)2 |
x2-1 |
x-3 |
x+1 |
a2-b2 |
a2-ab |
2ab+b2 |
a |
2 |
199009922 |
199009912+199009932-2 |
x2 |
(x-1)2+(x+1)2-2 |
x2 |
2x2 |
1 |
2 |
1 |
2006 |
2008 |
20052-1 |
20042 |
20072-1 |
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