x-y |
x-2y |
x2-y2 |
x2-4xy+4y2 |
x+2 |
x-2 |
4 |
x2-4x+4 |
x |
x-2 |
1 |
2 |
x-y |
x-2y |
(x-2y)2 |
(x-y)(x+y) |
x-2y |
x+y |
x+y-x+2y |
x+y |
3y |
x+y |
3×5 |
2+5 |
15 |
7 |
(x+2)(x-2)+4 |
(x-2)2 |
x-2 |
x |
x2 |
(x-2)2 |
x-2 |
x |
x |
x-2 |
1 |
2 |
-
| ||
-
|
1 |
5 |
x+2 |
x2-2x |
x |
x-2 |
x-1 |
x |
2m |
m+3 |
m |
m-3 |
m |
m2-9 |
a+1 |
a-1 |
a |
a2-2a+1 |
1 |
a |
x+1 |
x |
2x |
x+1 |
1 |
x-1 |
1 |
x+1 |
5x+3y |
x2-y2 |
2x |
x2-y2 |
1 |
x+1 |
x |
x2-1 |
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