x2 |
x2-y2 |
y 2 |
y-x |
x+2 |
x-2 |
4 |
x2-4x+4 |
x |
x-2 |
x2 |
x-y |
y2 |
x-y |
(x+y)(x-y) |
x-y |
x2-4+4 |
(x-2)2 |
x-2 |
x |
x2 |
(x-2)2 |
x-2 |
x |
x |
x-2 |
x+2 |
x2-2x |
x-1 |
x2-4x+4 |
x-4 |
x3-2x2 |
x-3y |
x2-9y2 |
3 |
4 |
3 |
4 |
3a2-ab |
9a2-6ab+b2 |
1 |
2 |
a 3 |
b2 |
a |
b3 |
A.6 | B.9 | C.12 | D.81 |
x2-1 |
x2-2x+1 |
x+1 |
x-1 |
1-x |
1+x |
1 |
2 |
m |
m+3 |
6 |
9-m2 |
2 |
m-3 |
A.1 | B.
| C.
| D.
|
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