D=| 2 4 3
3 -2 5
5 6 8 |
=-2*2*8+3*6*3+5*4*5-3*(-2)*5-5*6*2-8*3*4
=-4
Dx=| 9 4 3
11 -2 5
0 6 8 |
=9*(-2)*8+11*6*3+0*4*5-3*(-2)*0-6*5*9-8*11*4
=-568
Dy=| 2 9 3
3 11 5
5 0 8 |
=2*11*8+3*0*3+5*9*5-3*11*5-5*0*2-8*3*9
=20
Dz=| 2 4 9
3 -2 11
5 6 0 |
=2*(-2)*0+3*6*9+5*4*11-9*(-2)*5-6*11*2-0*3*4
=340
x=Dx/D=-568/(-4)=142
y=Dy/D=20/(-4)=-5
z=Dz/D=340/(-4)=-85