х-6y² / 2y + 3y                              y= -8   x=0.1

-8-6*0.1²/ 2*0.1 + 3*0.1

-8-6*0.01/0.2+0.3

-8.06/0.2+0.3

-8.06÷0.2=-80.6÷2=-40.3

-40.3+0.3=-40