x-y |
x+3y |
x2-y2 |
x2+6xy+9y2 |
2y |
x+y |
x-y |
x+3y |
(x+y)(x-y) |
(x+3y)2 |
2y |
x+y |
x-y |
x+3y |
(x+3y)2 |
(x+y)(x-y) |
2y |
x+y |
x+3y |
x+y |
2y |
x+y |
x+3y-2y |
x+y |
1 |
x |
1 |
y-x |
1 |
m-1 |
1 |
m2-1 |
2x-6 |
x2-9 |
x2+2x+1 |
x2+x-6 |
x+1 |
x-2 |
a-b |
a+2b |
a2-b2 |
a2+4ab+4b2 |
1 |
a |
1 |
a-1 |
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