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-6x²+5x>1
-6x+5x>√1
-x>1
x<-1
a=-6, b=5, c=-1
Δ=b²-4*a*c
Δ=5²-4*(-6)*(-1)
Δ=25-24
Δ=1
√Δ=1
x₁=-b+√Δ/2a
x₁=-5+1/2*(-6)
x₁=-4/-12
x₁=1/3
x₂=-b-√Δ/2a
x₂=-5-1/2*(-6)
x₂=-6/-12
x₂=1/2
x∈<⅓,½>