Question

|(x+1)(x-1)| >= 2

Answer 1

solve \((x+1)(x-1)<-2\) or \((x+1)(x-1)>1\) separately
do you know how to do that?

Answer 2

i dont understand why one is less than -2 but the other is greater than 1. Why is it not 2 and -2?

Answer 3

it will be greater than 2 only,it was his typing mistake,hopefully

Answer 4

ok.. I think the answer in book may be wrong, because I'm getting x >= sqrt(3) or x<= -sqrt(3)

Answer 5

yup

Answer 6

thanks lol. I thought I was doing something wrong, because the answer in the book is way off.

Answer 7

lets solve one of them
you pick

Answer 8

oh damn i made a typo
sorry about that

Answer 9

no problem :)