6x²-x-15=0
D=-1²-4×6×(-15)=1+360=361
x₁;₂=
x₁=
x₂=
_____________________
Там, где +/- ---->это знак ± !
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6x²-x-15=0
D=-1²-4×6×(-15)=1+360=361
x₁;₂=
x₁=
x₂=
_____________________
Там, где +/- ---->это знак ± !