Answer :

Answer:

Step-by-step explanation:It seems you're trying to express a mathematical relationship between variables x, y, and z. However, the expression you provided, "x y - y z, y z + 2xy," is a bit unclear. Could you please provide more context or clarify the expression you're referring to?

Answer:

3xy

Step-by-step explanation:

(xy-yz)+(yz+2xy)

xy-yz+yz+2xy

3xy