Question

Se stie ca: x-y=12 si z=10
Calculati xz-yz
Repede va rog

Answer 1

xz-yz=z(x-y)=10*12=120

Answer 2

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