Form the quadratic equation whose roots are 3 and –10.

Q.2 (B)(ii) Form the quadratic equation whose roots are 3 and –10.

Doubtly Asked 25 Oct 2026 ssc 10th Save WhatsApp Report

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

Sum of roots \(= 3 + (-10) = -7\), product of roots \(= 3 \times (-10) = -30\).

The equation is \(x^2 - (\text{sum})x + (\text{product}) = 0\):

\(x^2 - (-7)x + (-30) = 0\), i.e. \(x^2 + 7x - 30 = 0\).

Doubtly AI · 25 Oct 2026 AI-verified · Oct 2026 Report

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