x≥-2
(x-1)(x+1)≠0
x≠-1, x≠1
x∈[-2;-1)∪(-1;1)∪(1;+∞)
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x≥-2
(x-1)(x+1)≠0
x≠-1, x≠1
x∈[-2;-1)∪(-1;1)∪(1;+∞)