Question

Which of the following is a quotient of the rational expressions shown here?

Answer 1

C: because (x-1)(x+1)= x^2 - 1

Answer 2

x^2+x

--------

x-1

Explanation:

x 1

------ ÷ --------

x-1 x+1

Copy dot flip

x x+ 1

------ * --------

x-1 1

x(x+1)

-------

x-1

x^2+x

--------

x-1