Hello,

I think the question is simple but not sure if this would be correct. I have a limit that is:

lim x^{2}-25

______

x->2 sqrt (2x+6) -4

Now the bottom would be root 10 - 4, so I don't think I need to multiply it by root 10 +4 to get rid of it so is that fine?

x could not be 5

Thanks!