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tkusaynova
@tkusaynova
July 2022
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х квадрат*+6х+8 пож помогите
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miron2077
Verified answer
Х²+6х+8=0
х₁,₂=-
6⁺₋√(36-32)
= -
6⁺₋2
2 2
х₁=-2
х₂=-4
0 votes
Thanks 1
tkusaynova
спасибо
tkusaynova
кажетс* это неправилно
Iramak2000
Х²+6х+8=0
а=1, b=6, c=8
D= b²-4ac=6²-4·1·8=36-32=4
D больше(знак больше поставите знаком) 0⇒
х1=-b-√D/2a=-6-√4=-6-2=-8
x2=-b+√D/2a=-6+√4=-6+2=-4
1 votes
Thanks 1
tkusaynova
спасибо
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Answers & Comments
Verified answer
Х²+6х+8=0х₁,₂=-6⁺₋√(36-32) = -6⁺₋2
2 2
х₁=-2
х₂=-4
а=1, b=6, c=8
D= b²-4ac=6²-4·1·8=36-32=4
D больше(знак больше поставите знаком) 0⇒
х1=-b-√D/2a=-6-√4=-6-2=-8
x2=-b+√D/2a=-6+√4=-6+2=-4