3x2+9x |
x2+6x+9 |
x+3 |
x2-3x |
1 |
x2-9 |
3x(x+3) |
(x+3)2 |
x+3 |
x(x-3) |
1 |
(x+3)(x-3) |
3 |
x-3 |
n |
m2 |
n2 |
m2 |
m2 |
n |
A.-
| B.-
| C.-
| D.-n |
a |
bc |
c2 |
a2 |
A.
| B.
| C.
| D.
|
x-1 |
x |
1 |
x |
b |
a |
1 |
b |
-9b |
2a3 |
4a2 |
3b2 |
x |
x2-4 |
1 |
2x-4 |
9 |
x-3 |
x+2 |
x2-2x |
x-1 |
x2-4x+4 |
x-4 |
x |
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