Answer: \(x = -5 \text{ or } x = 4\)
Product \(-20\), sum 1: use 5 and \(-4\).
\[x^2 + 5x - 4x - 20 = 0\]\[x(x + 5) - 4(x + 5) = 0\]\[(x + 5)(x - 4) = 0\]Equating each factor to zero gives the roots above.
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· 24 Oct 2026
AI-verified · Oct 2026
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