a2+ab |
b |
a2-b2 |
ab |
b-a |
a2-2ab+b2 |
1 |
2 |
a(a+b) |
b |
ab |
(a+b)(a-b) |
a-b |
(a-b)2 |
a2 |
a-b |
1 |
a-b |
a2-1 |
a-b |
1 |
2 |
9-1 | ||
3-
|
16 |
5 |
3 |
3 |
a |
a+1 |
b |
b+1 |
1 |
a+1 |
1 |
b+1 |
a |
ab+a+1 |
b |
bc+b+1 |
c |
ca+c+1 |
x(4x-3) |
x2-9 |
6 |
x2-9 |
2 |
x-3 |
x |
3y |
y |
2x-5y |
6x-15y |
x |
4x2-5xy+6y2 |
x2-2xy+3y2 |
A.
| B.
| C.5 | D.6 |
1 |
x-2 |
1 |
x+2 |
4 |
x-2 |
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