x2 |
x2-y2 |
y2 |
y-x |
4 |
2-a |
a2-b2 |
a2b+ab2 |
a2-2ab+b2 |
ab |
1 |
(b-a)2 |
x+2 |
x-2 |
4 |
x2-4x+4 |
x |
x-2 |
4 |
2-x |
x2 |
(x+y)(x-y) |
y2 |
x-y |
x2-y2 |
x-y |
(a+2)(a-2)+4 |
a-2 |
a2 |
a-2 |
(a+b)(a-b) |
ab(a+b) |
ab |
(a-b)2 |
1 |
(a-b)2 |
1 |
(a-b)3 |
x+2 |
x-2 |
x-2 |
x |
4 |
(x-2)2 |
x-2 |
x |
x+2 |
x |
4 |
x(x-2) |
(x+2)(x-2)+4 |
x(x-2) |
x |
x-2 |
(x+3)(x-2)+4 |
x-2 |
x2+x-2 |
x-2 |
x |
x+1 |
1 |
x2-1 |
3 |
a-2 |
a2-4 |
1 |
a+2 |
1 |
a+2 |
a2-1 |
a+2 |
2x-4 |
x2-4 |
2x |
x+2 |
2 |
a+1 |
1 |
a-1 |
a |
a2-1 |
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