Question

What is the solution of x-x(-z)

Answer 1

x-x(-z)

Solution: x-x = 0
 And, 0(-z), Obviously equals 0, as any number multiplied by 0 equals 0.

Hope this answer might help you

Answer 2

x-x(-z)
first we'll multiply x and z
x-(-xz)
Then signs will change.
As we knw that - - = +
Therefore
x+xz