x-y |
x2-2xy+y2 |
xy+y2 |
x2-y2 |
x+2 |
x2-2x |
x-1 |
x2-4x+4 |
x-y |
(x-y)2 |
y(x+y) |
(x+y)(x-y) |
1 |
x-y |
y |
x-y |
(x+2)(x-2)-x(x-1) |
x (x-2) 2 |
x-4 |
x3-4x2+4x |
x-y |
(x-y)2 |
y(x+y) |
(x+y)(x-y) |
1 |
x-y |
y |
x-y |
1-y |
x-y |
1-3 |
2-3 |
x+2 |
x(x-2) |
x-1 |
(x-2)2 |
(x+2)(x-2)-x(x-1) |
x (x-2) 2 |
x-4 |
x(x-2) 2 |
x-4 |
x3-4x2+4x |
1-4 |
1-4+4 |
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