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(x^2-1)/(x^2-4)
1;100;3;50;4;2
2;1;5;8;0;0
11;18;5;6;1;0
5;6;2;3;0;0
| 14x+10=2(6x+9) | | -x^2+18x-77= | | -5(x+2)-3x=46 | | 5x+17=8x+37 | | -12y=-8x+48 | | 3/4X-1/3X=2/3 | | 1/9(2m-16)=1/3(2m=4) | | 6g+g=21 | | -19+1= | | 3v(v-1)=0 | | 4(3x+8)=-47+19 | | 3x+5y=4fory | | 8v^2-46v+11= | | 1/0.2-0.8j | | Z/6=-18 | | 2y=-3x+14 | | -8(-5w+4v-1)= | | 7(m+4)+7(-5m-9)=-29(m+2)-6 | | 1/0.2-j0.8 | | 10a+4a-a+5b= | | 1/3(21-3a=6-a | | 13=5y+3 | | -9(x+8)=4-8x | | x-2.8=6.2 | | x+9=2x+6 | | 8u^2-22u+5= | | y=1+log(1+y) | | X-9=2x+6 | | 8r^2=16r+64 | | 3.57-2.49x=46.94 | | 2+10=-4(4x-3) | | 100/z=20 |