Question

calculati xz-yz stiind ca x-y=12 z =10

Answer 1

z(x-y)=10x12=120este rezultatul

Answer 2

$x-y=12 \\ z=10 \\ xz-yz=z(x-y)=10 \cdot 12=120 \\ \boxed{xz-yz=120}$