2a |
a2-4 |
1 |
2-a |
1 |
2 |
a+2b |
a+b |
2b2 |
a2-b2 |
2ab |
a2-b2 |
1 |
3 |
2a |
(a+2)(a-2) |
a+2 |
(a+2)(a-2) |
2a-a-2 |
(a+2)(a-2) |
a-2 |
(a+2)(a-2) |
1 |
a+2 |
1 |
2 |
1 | ||
|
2 |
5 |
(a+2b)(a-b) |
(a+b)(a-b) |
2b2 |
(a+b)(a-b) |
2ab |
(a+b)(a-b) |
a2+ab-2b2+2b2-2ab |
(a+b)(a-b) |
a2-ab |
(a+b)(a-b) |
a(a-b) |
(a+b)(a-b) |
a |
a+b |
1 |
3 |
-2 | ||
-2+
|
6 |
5 |
a2-b2 |
a2-ab |
2ab+b2 |
a |
1 |
x+1 |
x2-2x+1 |
x2-1 |
x-1 |
x+1 |
2 |
4-x2 |
x2+4x+4 |
x2-2x |
2x+4 |
2 |
x2+x |
a2+b2 |
2 |
1 |
a+1 |
a+3 |
a2-1 |
a2+4a+3 |
a2-2a+1 |
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