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Violetta480319
@Violetta480319
August 2022
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16х+64=-х2 помогите плиз
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gordey20
Вот.Специально для тебя )))
0 votes
Thanks 1
olya115153
16х+64=-х^2
х^2+16х+64=0
D=b^2-4ac=16^2-4*16*64=256-256=0
х=(-b)/(2a)=-16/(2*1)=-16/2=-8
ответ: х=-8
1 votes
Thanks 0
olya115153
ой, , D=16^2-4*1*74=257-256=0
olya115153
не 74, а 64
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х^2+16х+64=0
D=b^2-4ac=16^2-4*16*64=256-256=0
х=(-b)/(2a)=-16/(2*1)=-16/2=-8
ответ: х=-8