2x+3 |
x(x-1)(x+2) |
A |
x |
B |
x-1 |
C |
x+2 |
A |
x |
B |
x-1 |
C |
x+2 |
A(x-1)(x+2)+Bx(x+2)+Cx(x-1) |
x(x-1)(x+2) |
(A+B+C)x2+(A+2B-C)x-2A |
x(x-1)(x+2) |
2x+3 |
x(x-1)(x+2) |
|
|
3 |
2 |
5 |
3 |
1 |
6 |
2a2 |
a-3 |
18 |
3-a |
x2+1 |
x2-1 |
x-2 |
x-1 |
x-2 |
x |
1 |
x+2 |
1 |
x+1 |
1 |
3 |
3 |
a+1 |
a-1 |
a2+a |
a2-1 |
3 |
a-3 |
a |
3-a |
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