#### andreascott50

##### New member

- Joined
- Jul 6, 2007

- Messages
- 9

1) Simplify -2(2-5)dived by (-1)+7

2) Simplify: -4-radical symbol[49]+5with small 2 up top

I don't know how to make these symbols please tell me. I know how to do them in a word doc.

3) Evaluate 6x-2y when x=-1and y=4.

Please help me out on explaining how to understand this. THANKS