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Mitrel
@Mitrel
August 2022
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Помогите решить ! х в квадрате , -5х=6
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ivroman1999
-5x^2=6
x^2=-1.2
x1,2=+-корень из -1,2
2 votes
Thanks 0
veseloffgleb
X^2-5x=6
x^2-5x-6=0
D=25+4*6=49=7^2
x1=(4-7)/2=-1.5
x2=(4+7)/2=5.5
1 votes
Thanks 1
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Answers & Comments
x^2=-1.2
x1,2=+-корень из -1,2
x^2-5x-6=0
D=25+4*6=49=7^2
x1=(4-7)/2=-1.5
x2=(4+7)/2=5.5