x^2 = x^2-1 = x^2-1 = (x-1)(x+1) -x = 1

Question

x^2 = x^2-1 = x^2-1 = (x-1)(x+1)  -x = 1
                      x-1       x-1
Is this right, please help thanks

Chopsticks · Answer

Are you factoring?

Julissa · Answer

Yes, I need to understand why this is right, please help...

Chopsticks · Answer

If you factor x^2-1 = you get (x-1)(x+1) You can check your answer using FOIL