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poddubtsev
@poddubtsev
July 2022
2
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|x| - (-2/3) = -0.3
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MizoriesKun
|x|-(-2/3)=-0,3
|x|+2/3=-0,3
x+2/3=-0,3 -x+2/3=-0,3
x=-0,3-2/3 х-2/3=0.3
x=-3/10-2/3 х=0,3+2/3
х=-9-20/30 х=3/10+2/3
х=-29/30
х=9+20/30
х=29/30
2 votes
Thanks 1
каринчик222
a²-2a-3=0
a1+a2=2 U a1*a2=-3
a1=-1⇒-нет решения
a2=3⇒
⇒x=1
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MizoriesKun
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Answers & Comments
|x|+2/3=-0,3
x+2/3=-0,3 -x+2/3=-0,3
x=-0,3-2/3 х-2/3=0.3
x=-3/10-2/3 х=0,3+2/3
х=-9-20/30 х=3/10+2/3
х=-29/30 х=9+20/30
х=29/30
a²-2a-3=0
a1+a2=2 U a1*a2=-3
a1=-1⇒-нет решения
a2=3⇒⇒x=1