a=-2 b=5 c=-3
Δ=b²-4ac= 25 - 24 =1
√Δ=1
x1=(-b-√Δ)/2a=(-5-1)/-4 = -6/-4=3/2=1 1/2
x2=(-b+√Δ)/2a=(-5+1)/-4=-4/-4=1
odp:
x=1 ∨ x=1 1/2
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a=-2 b=5 c=-3
Δ=b²-4ac= 25 - 24 =1
√Δ=1
x1=(-b-√Δ)/2a=(-5-1)/-4 = -6/-4=3/2=1 1/2
x2=(-b+√Δ)/2a=(-5+1)/-4=-4/-4=1
odp:
x=1 ∨ x=1 1/2