Any proposition x belongs to {X / - 1 ≤ x ≤ 1}, and there is inequality x ^ 2-x-m
1. From the known conditions, {X / - 1 ≤ x ≤ 1} is included in the inequality x ^ 2-x-m1
When 3A < A + 2, that is, when a < 1, 3A > 2, the solution is 2 / 3
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