a2 |
a-b |
b2 |
a-b |
12 |
m2-9 |
2 |
3-m |
a2-b2 |
a-b |
(a+b)(a-b) |
a-b |
12 |
(m+3)(m-3) |
2 |
m-3 |
12-2(m+3) |
(m+3)(m-3) |
-2(m-3) |
(m+3)(m-3) |
2 |
m+3 |
2 |
m+3 |
3 |
a |
a-15 |
5a |
1 |
(x+1)(x+2) |
1 |
(x+2)(x+3) |
1 |
(x+3)(x+4) |
1 |
(x+4)(x+5) |
3x-4 |
x2-3x+2 |
A |
x-1 |
B |
x-2 |
n |
m |
n+1 |
m+1 |
n |
m |
n+1 |
m+1 |
n |
m |
n-1 |
m-1 |
n |
m |
n-a |
m-a |
x+2 |
x+1 |
x-1 |
x+1 |
| ||
x-3 |
9 |
x-3 |
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