Question

Determine o valor de : 3a-2b-4c , a= -4 , b= -2 , c= -2

Answer 1

3a = 3*(-4) = -12
2b = 2*(-2) = -4
4c = 4*(-2) = -8

-12-(-4)-(-8) = -12+12 = 0

Answer 2

3x(-4)-2x(-2)-4x(-2)=
-12-(-4)-(-8)=
-12+4+8=
-12+12=0