Andrew was taking a math quiz. There was a question on the quiz that had the expression 8x−9−12x+5. Andrew’s teacher told the class there was a typo and the expression was supposed to have one set of parentheses in it. 1. Where could you put parentheses in 8x−9−12x+5 to make a new expression that is still equivalent to the original expression? How do you know that your new expression is equivalent?

2. Where could you put parentheses in 8x−9−12x+5 to make a new expression that is not equivalent to the original expression? List as many different answers as you can. MY SISTER NEEDS HELP FASTT