Question

40 points!!! please tell me how to do it not what the answer is :D

Answer 1

C

Explanation:

You first distribute within the parentheses which is -(-z-2). This is going to make everything positive as everything in the parentheses is negative. You should get z+2. Next, you plug that back in. It should be-3z+z+2. You simplify to get -2z+2. Hope this helps!

Answer 2

see below

Explanation:

-3z -( -z -2)

The first step is to distribute the minus sign

-3z --z --2

A negative negative is a positive

-3z +z +2

Then combine the like terms

-3z+z +2

Answer

-2z+2