x2-1 |
x2+4x+4 |
(x+2) |
x2+x |
x+2 |
x2-2x |
x-1 |
x2-4x+4 |
4-x |
x |
(x+1)(x-1) |
(x+2)2 |
x+2 |
x(x+1) |
x-1 |
x(x+2) |
x+2 |
x(x-2) |
x-1 |
(x-2)2 |
4-x |
x |
(x+2)(x-2)-x(x-1) |
x(x-2)2 |
x |
x-4 |
x-4 |
x(x-2)2 |
x |
x-4 |
1 |
(x-2)2 |
1 |
49 |
(x-1)(x+2) |
(x+1)(x+2) |
A.5x2-1 | B.5x2-5 | C.5x2+10x+5 | D.x2+2x+1 |
x3y |
z |
xz |
y |
yz |
x2 |
A.
| B.x3y3z | C.xy4z4 | D.y5z |
x2-y2 |
x2-6x+9 |
x+y |
2x-6 |
A.
| B.
| C.
| D.
|
3xy2 |
4z2 |
8z3 |
y |
A.6xyz | B.12xyz | C.-6xyz | D.6x2yz |
a-1 |
b-1 |
a-1 |
b-1 |
A.1 | B.
| C.
| D.(a-1)2(b-1)2 |
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