Quadratic Inequality Solver｜ax²+bx+c>0｜Number Line

ax² + bx + c > 0，a ≠ 0

📝 Enter a quadratic inequality (e.g. ax² + bx + c > 0)

ax²+bx+c 0

💡 Supported formats: x²-3x+2 > 0 or -x²+2x+3 ≥ 0
📌 a ≠ 0; spaces are ignored

📝 Solution steps

Discriminant Δ

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Roots

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Parabola direction

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✅ Solution set

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