x |
x-2 |
x |
x+2 |
4x |
2-x |
x2-1 |
x2-2x+1 |
x2-2x |
x-2 |
a2+a |
a-1 |
a |
a-1 |
x(x+2)-x(x-2) |
(x-2)(x+2) |
2-x |
4x |
4x |
(x-2)(x+2) |
2-x |
4x |
1 |
x+2 |
(x+1)(x-1) |
(x-1)2 |
x(x-2) |
x-2 |
1 |
x |
x+1 |
x-1 |
2x |
x-1 |
a(a+1) |
a-1 |
a(a-1)-a |
a-1 |
a(a+1) |
a-1 |
a(a-2) |
a-1 |
a(a+1) |
a-1 |
a-1 |
a(a-2) |
a+1 |
a-2 |
x2-4x+4 |
2x-4 |
5 |
4 |
x-3 |
x-1 |
x2-3x |
3 |
3y |
x2 |
x |
3y |
y2 |
x3 |
1 |
b |
1 |
c |
1 |
a |
1 |
c |
1 |
a |
1 |
b |
A.0 | B.1 | C.-1 | D.-3 |
1 |
x-1 |
1 |
x-1 |
1 |
2 |
1-x |
x2-2+x |
3 |
x+2 |
1 |
2 |
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