Question

=0" alt="2. x^2-|x|-2>=0" align="absmiddle" class="latex-formula">

Answer 1

1. x>=0 x^2<6 [0;sqrt(6))</p>

    x<0 x^2-2x-6<0</p>

            (1-sqrt(7);0)

(1-sqrt(7);sqrt(6))

2.

x>=0

x^2-x-2>=0

x>=2

x<0</p>

x^2+x-2>=0

x<=-2</p>

 x<=-2 U x>=2