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vrednaua
@vrednaua
July 2022
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Решите уравнение
2х2 +7х + 3 = 0
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miron2077
Verified answer
2х² +7х + 3 = 0
D=7²-2*3*4=25=5²
х₁=(-7+5)/4=-0,5
х₂=(-7-5)/4=-3
1 votes
Thanks 6
131119991
Д=7^2-4*2*3= 49-24=25
х1,2=-7+-√25/2*2
х1=-7-5/4=-12/4=-3
х2=-7+5/4=-2/4=-0,5
Ответ: х1=-3; х2=-0,5
1 votes
Thanks 6
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Answers & Comments
Verified answer
2х² +7х + 3 = 0D=7²-2*3*4=25=5²
х₁=(-7+5)/4=-0,5
х₂=(-7-5)/4=-3
х1,2=-7+-√25/2*2
х1=-7-5/4=-12/4=-3
х2=-7+5/4=-2/4=-0,5
Ответ: х1=-3; х2=-0,5