Question

if x =1 ,y=2 and z=3 the value of 3 x y + 2 y z - x z will be ​

Answer 1

Answer:

putting the value of x,y and z in

3xy+2yz-xz

=(3×1×2)+(2×2×3)-(1×3)

=6+12-3

=18-3

=15

hope u understand my answer