1 |
n |
1 |
n+3 |
1 |
n |
1 |
n+3 |
S3-S2 |
S2 |
S3-S1 |
S1 |
S3-S2 |
S2 |
S3-S1 |
S1 |
5x+3y |
x2-y2 |
2x |
x2-y2 |
5x+3y-2x |
x2-y2 |
3x+3y |
x2-y2 |
3 |
x-y |
1 |
2p+3q |
1 |
2p-3q |
2p-3q |
(2p+3q)(2p-3q) |
2p+3q |
(2p+3q)(2p-3q) |
2p-3q+2p+3q |
(2p+3q)(2p-3q) |
4p |
4p2-9q2 |
x+1 |
x |
1 |
x |
x+1-1 |
x |
x |
x |
a |
b+1 |
2a |
b+1 |
3a |
b+1 |
a+2a-3a |
b+1 |
0 |
b+1 |
x |
x-1 |
x(x-1) |
x-1 |
x2 |
x-2 |
4 |
2-x |
x2 |
x-2 |
4 |
x-2 |
(x+2)(x-2) |
x-2 |
x2+4x+4 |
x2-4 |
x |
x-2 |
x2+4x+4 |
(x+2)(x-2) |
x(x+2) |
(x+2)(x-2) |
2x+4 |
(x+2)(x-2) |
2 |
x-2 |
x-2 |
x-2 |
1 |
a-1 |
a |
a-1 |
-(a-1) |
a-1 |
x-1 |
x(x-1) |
1 |
x(x-1) |
x-1+1 |
x(x-1) |
1 |
x-1 |
1 |
x-1 |
3x+4 |
x2-x-2 |
A(x+1)-B(x-2) |
(x-2)(x+1) |
(A-B)x+A+2B |
x2-x-2 |
10 |
3 |
1 |
3 |
40 |
3 |
1 |
3 |
2x2+2x+1 |
2x-1 |
A |
2x-1 |
2x2-x+A |
2x-1 |
x |
x-1 |