{x²-2x-2>0
{x²-2x-2≤1
1)x²-2x-2>0
D=4+8=12
x1=(2-2√3)/2=1-√3 U x2=1+√3)
x<1-√3 U x>1+√3
2)x²-2x-3≤0
x1+x2=2 U x1*x2=-3
x1=-1 U x2=3
-1≤x≤3
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-------[-1]-----------(1-√3)----------(1+√3)-----------[3]------
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x∈[-1;1-√3) U (1+√3;3]