Solving the inequality of X | x ^ 2 + 2x-3 | > A with the help of the great God | Math enthusiast | Mathematical art

Solving the inequality of X | x ^ 2 + 2x-3 | > A with the help of the great God

|X ^ 2 + 2x-3 | > a | (x-1) (x + 3) | > A, we can see that when A0 x ^ 2 + 2x-3-a > 0 △ = 4 + 12 + 4A = 4 (4 + a) ≥ 4 > 0, we can solve X-1 + √ (4 + a) (2) when - 3

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