3x |
x-1 |
x |
x+1 |
2x |
x2-1 |
3 |
3x(x+1)-x(x-1) |
(x+1)(x-1) |
(x+1)(x-1) |
2x |
2x(x+2) |
(x+1)(x-1) |
(x+1)(x-1) |
2x |
3 |
3 |
3 |
x2+1 |
x+1 |
2 |
x+1 |
x |
x+2 |
x2+2x+1 |
x+2 |
x2-1 |
x-1 |
3 |
2 |
a4-a2b2 |
a2-ab |
a2-4 |
a2+6a+9 |
a-2 |
2a+6 |
y(x-y)-x(x+y) |
x2-y2 |
x2+y2 |
x+y |
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