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raxilyashabano
@raxilyashabano
July 2022
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Найдите сумму корней уравнения на фото. с решением
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Катя1582gu
В)-5
2x^2-3x+2=(4-x)^2
2x^2-3x+2=16-8x+x^2
x^2+5x-14=0
x(1)=-7
x(2)=2
x(1)+x(2)=-7+2=-5
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Answers & Comments
2x^2-3x+2=(4-x)^2
2x^2-3x+2=16-8x+x^2
x^2+5x-14=0
x(1)=-7
x(2)=2
x(1)+x(2)=-7+2=-5