x |
x2-2 |
x2-2 |
x |
x |
x2-2 |
A.y2+3y+1=0 | B.y2-3y+1=0 | C.y2-3y-1=0 | D.y2+3y-1=0 |
x |
x2-2 |
1 |
y |
x2 |
x2-4 |
2 |
2-x |
10x |
2x-1 |
5 |
1-2x |
1 |
x-3 |
1 |
x+3 |
k |
x2-9 |
x |
x-1 |
1 |
x-1 |
1 |
x+1 |
2x |
x+1 |
4x |
2x+2 |
x+3 |
x2-3x |
x-1 |
x2-6x+9 |
x-9 |
x |
x-2 |
x+2 |
16 |
x2-4 |
x+2 |
x-2 |
150 |
x |
150-x |
2x |
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