Реши уравнение 6x(1+x)+x=3. Created by ktrktv. matematika-ru

Реши уравнение 6x(1+x)+x=3...

July 2022 1 4 Report

Реши уравнение
6x(1+x)+x=3

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vmaluga2011 6х(1+х)+х=3
6х+6х^2+х=3
6х^2+7х-3=0
D=7*7-4*6(-3)=49+72=121 Корень из D=11
х(1)=(-7-11):(2*6)=-18:12=-1,5
х(2)=(-7+11):(2*6)=4:12=1/3
Ответ: х(1)=-1,5: х(2)=1/3

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