8-6х-(-5х+(-4х)) при х=2

Question

8-6х-(-5х+(-4х)) при х=2

Answer 1

8-6x-(-5x-4x)=8-6x+9x=8+3x 8+3*2=14

Answer 2

8-6×2-(-5×2+(-4×2))= 8-12-(-10+(-8))=8-12-(-18)=-4+18=14