x2-4 |
x2-4x+4 |
x+2 |
x-2 |
x |
x-2 |
1 |
2 |
(x+2)(x-2) |
(x-2)2 |
(x+2)(x-2) |
(x-2)2 |
x-2 |
x |
1 |
2 |
1 |
2 |
12 |
a2-9 |
a2-3a |
1-2a+a2 |
a2-a |
2 |
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 |
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 |
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