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Ffddx
@Ffddx
July 2022
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Помогите решить уровненная
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sedinalana
А)x(5+2x)=0
x=0
2x+5=0
2x=-5
x=-2,5
б)2x²=-5
x²=-2,5
нет решения
в)(√5-√2x)(√5+√2x)=0
√5-√2x=0
x=√10/2
√5+√2x=0
x=-√10/2
г)x(2x+(a-1))=0
x=0
2x+(a-1)=0
2x=1-a
x=(1-a)/2
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Answers & Comments
x=0
2x+5=0
2x=-5
x=-2,5
б)2x²=-5
x²=-2,5
нет решения
в)(√5-√2x)(√5+√2x)=0
√5-√2x=0
x=√10/2
√5+√2x=0
x=-√10/2
г)x(2x+(a-1))=0
x=0
2x+(a-1)=0
2x=1-a
x=(1-a)/2