1 |
x2-3x |
2 |
x2-9 |
2 |
3a |
a+1 |
-2a2 |
2a-1 |
4a3 |
A.24a6 | B.24a3 | C.12a3 | D.6a3 |
1 |
a(x+1) |
1 |
2b(x-1) |
a |
a2-2ab+b2 |
b |
a2-b2 |
b2 |
a2+2ab+b2 |
A.(a+b)2(a-b) | B.(a-b)2(a+b) |
C.(a+b)2(a-b)2 | D.(a+b)2(a-b)2(a2-b2) |
3 |
2(x+1) |
2x |
5(1-x) |
1-2x |
x2-1 |
1 |
3x |
x+1 |
x-1 |
2xy |
x2-1 |
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