y+1 |
x+1 |
x+1 |
y+1 |
(y+1)2+(x+1)2 |
(x+1)(y+1) |
x2+y2+2(x+y)+2 |
xy+x+y+1 |
(x+y)2-2xy+2(x+y)+2 |
xy+x+y+1 |
16+24-8+2 |
-12-4+1 |
34 |
15 |
x-1 |
x+1 |
x+1 |
x+2 |
x+3 |
x2+4x+4 |
3 |
3 |
a+1 |
a-1 |
1 |
a2-2a+1 |
a |
a-1 |
3 |
2 |
1 |
2 |
a-b |
a |
2ab-b2 |
a |
1 |
2 |
α |
1+α |
β |
1+β |
1 |
x+1 |
1 |
x-1 |
x2+2x-3 |
x2+3x |
3 |
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