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Por la formula del discriminante:
x₁,x₂=(-b +- √b²-4ac)/2a
a → 1
b → 3
c → 2
Entonces:
x₁,x₂ = (-3 +- √3²-4×1×2) / 2×1
= ( -3 +- √9-8) / 2
= (-3 +-1) / 2 → Solucion: " x₁=-1 ; x₂=-2 "