x+7 |
x+6 |
x+9 |
x+8 |
x+10 |
x+9 |
x+6 |
x+5 |
1 |
x(x-1) |
1 |
(x-1)(x-2) |
1 |
(x-1991)(x-1992) |
1 |
x |
x+9 |
x+8 |
x+10 |
x+9 |
x+6 |
x+5 |
x+7 |
x+6 |
1 |
x2+17x+72 |
1 |
x2+11x+30 |
1 |
x-1 |
1 |
x |
1 |
x-2 |
1 |
x-1 |
1 |
x-1992 |
1 |
x-1991 |
1 |
x |
1 |
x-1992 |
1 |
x |
1 |
x |
2 |
x2-1 |
1 |
x-1 |
2-x |
x-3 |
2 |
3-x |
x |
x-2 |
2 |
x2-4 |
x2-4 |
x2-4x+4 |
x-2 |
x+2 |
2 |
2 |
x-4 |
m |
4-x |
A.-2 | B.2 | C.4 | D.-4 |
3 |
x |
2 |
x-2 |
1 |
x+5 |
1 |
x-5 |
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