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MrReizer
@MrReizer
July 2022
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Ребят помогите пожалуйста Решить уравнение.
-x^2-10x+4=(x+8)^2
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putczsk
-х²-10х+4=х²+16х+64;
2х²+26х+60=0; /:2
х²+13х+30=0;
D=169-120=49=7²
х1=(-13+7)/2=-6/2=-3;
х2=(-13-7)/2=-20/2=-10;
ответ: -3; -10.
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MrReizer
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Answers & Comments
2х²+26х+60=0; /:2
х²+13х+30=0;
D=169-120=49=7²
х1=(-13+7)/2=-6/2=-3;
х2=(-13-7)/2=-20/2=-10;
ответ: -3; -10.