m |
m-n |
n |
m+n |
2mn |
m2-n2 |
a2+8 |
a2+4a+4 |
4a-4 |
a2+2a |
m(m+n) |
(m+n)(m-n) |
n(m-n) |
(m+n)(m-n) |
2mn |
(m[+n)(m-n) |
m2+2mn+n2 |
(m+n)(m-n) |
(m+n)2 |
(m+n)(m-n) |
m+n |
m-n |
(a2+4a+4)-(a2+8) |
(a+2)2 |
a(a+2) |
4(a-1) |
4(a-1) |
(a+2)2 |
a(a+2) |
4(a-1) |
a |
a+2 |
x2-3 |
x-1 |
1 |
x-1 |
1 |
p |
1 |
q |
1 |
p+q |
p |
q |
q |
p |
A.1 | B.-1 | C.2 | D.-2 |
1 |
x2+x |
A.
| B.
| C.2 | D.-
|
a-1 |
a |
a2-1 |
a2+2a |
2 |
a2-4 |
a2+4 |
4a |
1 |
2 |
1 |
a |
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