2x |
5x-3 |
3 | ||
25
|
x |
5x+3 |
| ||
-cd3 |
2a |
d3 |
c |
2a |
2x |
5x-3 |
(5x+3)(5x-3) |
3 |
x |
5x+3 |
1 |
3 |
2 x2 |
3 |
a6b3 |
- c3d9 |
d3 |
2a |
c3 |
8 a3 |
a2b3 |
16 d6 |
x2-2xy+y2 |
xy |
x2 |
x-y |
x2 |
y |
A.
| B.-
| C.-
| D.
|
-y |
2x |
3y |
4x |
-2x |
3y |
A.(
| B.(
| ||||||||
C.(
| D.(
|
m+n |
3a2 |
A.-
| B.
| C.
| D.
|
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