x la puterea 2 - 3x sau egal cu 1

Răspunsul a fost dat de: USER4538
27 Agustus 2025 matematica 5 minute
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Întrebare

Clasă: Education Materie: matematica
x la puterea 2 - 3x sau egal cu 1
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Răspuns (34)

Cel mai bun răspuns
(102)
x²-3x=1
x²-3x-1=0
Δ=b²-4ac
Δ=(-3)²-4*1*(-1)
Δ=13
x1=-b-√Δ/2a
x2=-b+√Δ/2a
Răspunsul a fost dat în data 27 Agustus 2025

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