1 |
m+2 |
4 |
m2-4 |
A.m+2 | B.m-2 | C.
| D.
|
1 |
m+2 |
4 |
m2-4 |
m-2+4 |
(m+2)(m-2) |
1 |
m-2 |
x2 |
x-1 |
1 |
1-x |
A.
| B.x+1 | C.x-1 | D.1-x |
1 |
a-b |
1 |
a+b |
2a |
a2+b2 |
4a3 |
a4+b4 |
x2+yz |
x2+(y-z)x-yz |
y2-zx |
y2+(z+x)y+zx |
z2+xy |
z2-(x-y)z-xy |
x3-1 |
x3+2x2+2x+1 |
x3+1 |
x3-2x2+2x-1 |
2(x2+1) |
x2-1 |
(y-x)(z-x) |
(x-2y+z)(x+y-2z) |
(z-y)(x-y) |
(x+y-2z)(y+z-2x) |
(x-z)(y-z) |
(y+z-2x)(x-2y+z) |
1 |
R1 |
1 |
R2 |
1 |
R |
1 |
6 |
1 |
2×3 |
1 |
2 |
1 |
3 |
1 |
12 |
1 |
3×4 |
1 |
3 |
1 |
4 |
1 |
20 |
1 |
4×5 |
1 |
4 |
1 |
5 |
1 |
30 |
1 |
5×6 |
1 |
5 |
1 |
6 |
1 |
42 |
1 |
(x-2)(x-3) |
2 |
(x-1)(x-3) |
1 |
(x-1)(x-2) |
2 |
x2-1 |
1 |
x+1 |
1 |
1-x |
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