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675;46
7;9;1;9;0;1
x^2+y^2-9;x+y-3
21;8;7;1;0;0
21;8;0;0;0;7
| Y+4=-5x(x-1) | | 30x^2-258x-420=0 | | 15x^3+175x^2+250x=0 | | f(x)=x^3-24x^2+144x+25 | | 4n+p=880 | | 1/(4-3x)=0 | | 30=x-1/3x-1/4x | | 21x+4=31 | | x+2y-x+3y=0.1 | | (-6x+7)(7x-5)=0 | | 4n-4=10 | | Y=n+8x-x^2 | | 2x-13=33-3x | | (3x-5)(10x+7)=0 | | -35=j+13 | | (4x+5)(2-5x)=0 | | 300=30x-90 | | 30x-90=300 | | Cos3x=-1/2 | | H=a*b | | 7t+7=-8+4t | | 4y+28=-y+8 | | 2x^2=px^2-4(x+2) | | -6+2c=8c+12 | | 3-2y=-9-5y | | 20-9x=-2+2x | | 3a+11=32 | | 7(a-3)=4a+2 | | -3x^4-2x^3-x^2=0 | | (10+x)=(10-x)+(15+x)+(13-x)+(12-x)+(28+x)+(x) | | -2c-6=2c+10 | | 10-8y=2 |