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Snickers4131
@Snickers4131
July 2022
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Найдите корни уравнения: x2 + 7x - 18 х = 0.
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dashaswim2
x2 + 7x - 18 х = 0.
D=49+4*18=121
x12=(-7+-11)/2=-9 2
x=2
x=-9
0 votes
Thanks 1
mmb1
Verified answer
Х2-11х=0
Х(х-11)=0
Х=0
И второй вариант
Х-11=0
Х=11
0 votes
Thanks 0
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Answers & Comments
D=49+4*18=121
x12=(-7+-11)/2=-9 2
x=2
x=-9
Verified answer
Х2-11х=0Х(х-11)=0
Х=0
И второй вариант
Х-11=0
Х=11