Question

How do you simplify `(7x^2 - 7)/(x - 1)^2`?

Answer 1

Factor the numerator and denominator and "cancel" terms the occur in both

`(7x^2-7)/((x-1)^2)`

`= ((7)cancel((x-1))(x+1))/(cancel((x-1))(x-1))`

`= 7 (x+1)/(x-1)`