9-x2 |
x2+6x+9 |
x2-3x |
2x+6 |
2 |
x2-x |
-(x+3)(x-3) |
(x+3)2 |
2(x+3) |
x(x-3) |
2 |
x(x-1) |
2 |
x |
2 |
x(x-1) |
2(x-1)+2 |
x(x-1) |
2x |
x(x-1) |
2 |
1-x |
2 |
1-5 |
1 |
2 |
xy |
x+y |
yz |
y+z |
4 |
3 |
zx |
z+x |
4 |
3 |
xyz |
xy+yz+zx |
33 |
3 |
48 |
|
6 |
2 |
2 |
1-a |
a |
1+a |
a |
a+1 |
a2-2a |
a2-4 |
1 |
a+2 |
1 |
a-1 |
1 |
a+1 |
a |
1-a2 |
4x2-4xy+y2 |
2x-y |
1 |
2 |
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