3-m |
2m-4 |
5 |
m-2 |
-(m-3) |
2(m-2) |
(m+2)(m-2)-5 |
m-2 |
-(m-3) |
2(m-2) |
m2-9 |
m-2 |
-(m-3) |
2(m-2) |
m-2 |
(m+3)(m-3) |
1 |
2(m+3) |
1 |
2×(1+3) |
1 |
8 |
1 |
x-1 |
x2-1 |
x |
1 |
2 |
y |
x |
3 |
2 |
x2-y2 |
x2-2xy+y2 |
xy+y2 |
x2-xy |
a2+2a+1 |
a2-1 |
a |
a-1 |
3x |
x-1 |
x |
x+1 |
x2-1 |
x |
2 |
1 |
x+2 |
x2+2x+1 |
x2-4 |
|
1 |
x-1 |
x |
x2-2x+1 |
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