Question
What happens when you plug 1 in for x into this rational expression
(x^2-1)(x-1)-x
(x^2-1)(x-1)-x
Answers
Steve
plug it in and see!
(1-1)(1-1)-1 = 0*0-1 = -1
(1-1)(1-1)-1 = 0*0-1 = -1