Question

Are these two expressions equivalent?
2(x + y + z) and 2x + 2( y + z) ?

Answer 1

2(x + y + z) = 2x + 2y + 2z

2x + 2( y + z) = 2x + 2y + 2z

So,

2(x + y + z) = 2x + 2( y + z)

These two expressions are equivalent

Hope this will help...