How do you simplify and find the restrictions for (x^2+3x-18)/(x^2-36)?
3 Answers
Nov 16, 2017
The restricted values of
Explanation:
There is no simplification possible.
To find the restrictions you have to see for what values of
So you get,
you isolate
and you do the square root in both sides,
so these are the restricted values on x:
Nov 16, 2017
(
x≠6 and x≠-6
Df=(-oo,-6)U(-6,6)U(6,+oo)
Df= R-{-6,6} )
Nov 16, 2017