Question

Which expressions are equivalent to z + (z + 6) z+(z+6)z, plus, left parenthesis, z, plus, 6, right parenthesis ?

Answer 1

In the question, the given expression is

$z+(z+6)$

And we have to find the equivalent expression to the given expression .

First we remove the parenthesis

$z+z+6$

Now we combine the like terms, and here like terms are z and z, therefore on combining , we will get

$z+z+6 = 2z+6$

And that's the required equivalent expression .

Answer 2

The answer is:

2(z+3)

The rest are false.