Question

1.5(x-2)-2(3-1.5x) при x=-0.2

Answer 1

1.5(x-2)-2(3-1.5x)=1.5x-3-6+3x=4.5x-9
при х=-0,2
4.5*(-0.2)-9=-0.9-9=-9.9

Answer 2

спасибо