How do you simplify #(3(y^2) - 3) / ((y^2) - 1)# and what are the restrictions?

Question

2014 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-06-08T02:02:33

3

Restrictions

#y!=+-1#

#(3(y^2) - 3) / ((y^2) - 1)#

Factor the numerator using the distributive property:

#=(3((y^2)-1))/((y^2) - 1)#

cancel common factors:

#=(3(cancel((y^2)-1)))/(cancel((y^2) - 1))#

#=3#

Restrictions:

#(y^2) - 1 !=0#

#y^2 != 1#

#y != +-sqrt1#

#y!=+-1#