SOLUTION: Hi could you help me with this question on rational expressions? Simplify each rational expression. State any restrictions on the variable. 3x^2-12/x^2-x-6 Thanks for the h

Algebra ->  Expressions -> SOLUTION: Hi could you help me with this question on rational expressions? Simplify each rational expression. State any restrictions on the variable. 3x^2-12/x^2-x-6 Thanks for the h      Log On


   



Question 135950: Hi could you help me with this question on rational expressions?
Simplify each rational expression. State any restrictions on the variable.
3x^2-12/x^2-x-6
Thanks for the help!

Answer by ptaylor(2198) About Me  (Show Source):
You can put this solution on YOUR website!
3x^2-12/x^2-x-6 =
3(x^2-4)/((x-3)(x+2))=
(3(x-2)(x+2))/((x-3)(x+2))) (x+2) in the numerator and denominator cancels
3(x-2)/(x-3) The variable, x cannot be equal to 3
Hope this helps---ptaylor