a2 |
a+b |
1 |
x2 |
1 |
a2 |
1 |
x |
1 |
a |
a2 |
a+b |
a2-(a+b)2 |
a+b |
2ab+b2 |
a+b |
1 |
x2 |
1 |
a2 |
1 |
x |
1 |
a |
(
| ||||||||
|
1 |
x |
1 |
a |
a-x |
ax |
3 |
x |
6 |
1-x |
x+5 |
x2-x |
1 |
x-1 |
1 |
x+1 |
1 |
x+1 |
x-3 |
x2-1 |
x2-2x+1 |
(x-1)(x-3) |
3-x |
2x-4 |
5 |
x-2 |
a-b |
a-2b |
a2-4b2 |
a2-4ab+4b2 |
A.
| ||||||
B.
| ||||||
C.
| ||||||
D.
|
a |
b |
b |
a |
(2x+y)(x-y) |
x2-2xy+y2 |
1 |
m |
1 |
n |
1 |
m+n |
n |
m |
m |
n |
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