x2-4 |
x2-4x+4 |
x2-x |
x-1 |
3 |
2 |
x2-4 |
x2-4x+4 |
x2-x |
x-1 |
(x-2)(x+2) |
(x-2) 2 |
x(x-1) |
x-1 |
1 |
x |
x+2 |
x-2 |
2x |
x-2 |
3 |
2 |
2x |
x-2 |
2×
| ||
|
4ab |
a+b |
x+2a |
x-2a |
x+2b |
x-2b |
xy |
x+y |
xz |
x+z |
yz |
y+z |
1 | ||
|
1 | ||
|
m-n |
m2-2mn+n2 |
mn+n2 |
m2-n2 |
mn |
n-1 |
a-b |
a+b |
b-c |
b+c |
c-a |
c+a |
a2-bc |
(a+b)(a+c) |
b2-ca |
(b+c)(b+a) |
ab-c2 |
(c+a)(c+b) |
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