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What is the solution set of the quadratic inequality x^2+x-2 ≥ 0

{x| x ≤ -2 or x ≥ 1}
{x| x ≤ -1 or x ≥ 2}
{x| x ≥ -2 or x ≤ 1}
{x| x ≥ -1 or x ≤ 2}

Answer :

the answer is the first one

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