3.8х-5.7х+2.9-9.6х при х=0.5

Question

3.8х-5.7х+2.9-9.6х при х=0.5

Answer 1

3.8х-5.7х-9.6х= -11.5х
-11.5х= -11.5*0.5= -5.75
2.9+(-5.72)= -2.82