3 |
2 |
1 |
2 |
x2 |
x+4 |
16 |
x+4 |
x-4 |
x |
1 |
a-1 |
a2-4a+4 |
a2-a |
a |
a+2 |
2 |
a-2 |
1 |
a2-4 |
(x+4)(x-4) |
x+4 |
x-4 |
x |
x |
x-4 |
a-2 |
a-1 |
(a-2)2 |
a(a-1) |
a-2 |
a-1 |
a(a-1) |
(a-2)2 |
a |
a-2 |
a(a-2)+2(a+2) |
(a+2)(a-2) |
a2-b2 |
a |
2ab-b2 |
a |
2 |
2 |
x+2 |
x2-2x |
x-1 |
x2-4x+4 |
x-4 |
x |
2 |
a-1 |
a-2 |
a2-1 |
a |
a+1 |
2a+2 |
a |
a2+2a+1 |
a2 |
a |
a+1 |
a-1 |
a2-4a+4 |
a+2 |
a2-2a |
4 |
a |
|
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