Respuesta :

Answer:

3xy - xz, or x(3y - z)

Step-by-step explanation:

2x(y-z)+x(y+z) becomes

2xy - 2xz)+ xy + xz)

combining the xy terms, we get 3xy;

combining the xz terms, we get -xz

Thus, the complete simplified expression is 3xy - xz, or x(3y - z)