Form the quadratic equation from the roots given below: 3 and -10

Doubtly Asked 24 Oct 2026 Save WhatsApp Report

1 answer

Answer: \(x^2 + 7x - 30 = 0\)

Required equation: \(x^2 - (\alpha + \beta)x + \alpha\beta = 0\).

Sum \(= 3 + (-10) = -7\)
Product \(= 3 \times (-10) = -30\)

So the equation is \(x^2 + 7x - 30 = 0\).

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

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