2 root number a

3 (1) computers (2 plus and minus 2 symbols)

4 times the square y=x-2+2-x=5.

Wrong question ... x-2+2-x offset =5 ... can't be 0.

5m =8 1

6 18 most of these questions are written directly without adding two real number conditions.

This is longer .. Think for yourself.

hope this helps

It is difficult to do it by hand. ...

thank you