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4;7;5;9;0;0
7;8;8;9;0;0
25;16;0;0;0;72
(-6*x)/(x^2+9) = 1
5;6;4;5;0;0
| x^2+2ax+3=0 | | -y^2-y-11=0 | | 62x=-46 | | 8x+12y=1220 | | (X+64)(X-14)=23 | | (X+64)+(X-14)=23 | | 14=3/2x-1 | | r^3+64r-6=0 | | 40-x=30 | | 2x=(x+6)4 | | x(x-1)=21 | | 3*(7.5+1.5y)+y=6 | | -5z^2=0 | | 3p=2q+24 | | y=3x^2-24x+39 | | 4x+(x+7)= | | .74=x-71/20 | | 3/5*x-4=7*x | | 2ln(x-2)+2ln(2)=2 | | 25x^2-25x=-6 | | 3x+32=15x-40 | | 25x^2-5x-25=0 | | 3y+y=9-y | | 8x^2+2x=-3 | | 2SinX=-0.44 | | 14x+6x=2 | | 10x^2+9=21 | | xy+yz+zx-xyz=2 | | 5y+5=6y+4 | | 5y+1=19 | | 25=17r-r^2 | | 4x+2y-2x+5y-3= |