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LinaTin
@LinaTin
August 2022
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Помогите с уравнением
x^2-12x=45
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pialex210
x^2-12x=45
x^2-12x-45=0
D=(-12)^2-4*1*(-45)=324
=18
x=(12+18)/2=15
x=(12-18)/2=-3
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ribinaolga
Х²-12х=45
х²-12х-45=0
D=144-4*1*(-45)=144+180=324
x1=(12-18)/2=-3
x2=(12+18)/2=15
ответ: х1=-3, х2=15
1 votes
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Answers & Comments
x^2-12x-45=0
D=(-12)^2-4*1*(-45)=324
=18
x=(12+18)/2=15
x=(12-18)/2=-3
х²-12х-45=0
D=144-4*1*(-45)=144+180=324
x1=(12-18)/2=-3
x2=(12+18)/2=15
ответ: х1=-3, х2=15