1,5(х-2)-2(3-1,5х) при х=-0.2

Question

1,5(х-2)-2(3-1,5х)
при х=-0.2

Comments

+упростить

Answer 1

1,5*(х-2)-2*(3-1,5х)=1,5х-3-6+3х= 4,5х-9
при х=-0,2
4,5*(-0,2)-9=-0,9-9= -9,9