36-a2 |
a2+10a+25 |
6-a |
2a+10 |
a+5 |
a2+6a |
2 |
(6+a)(6-a) |
(a+5)2 |
2(a+5) |
6-a |
a+5 |
a(a+6) |
2 |
a |
2 |
| ||
2 |
x2+4 |
x |
x2-4 |
x2+2x |
1 |
a-1 |
a2-4a+4 |
a-1 |
x2-x |
x+1 |
x |
x+1 |
3 |
a2-1 |
a-1 |
x2+2xy+2y-1 |
x2-1 |
y2-1 |
2y2+xy+y+x-1 |
y-1 |
x-1 |
A.0 | B.1 | C.2 | D.4 |
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