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sergeenkoandre
@sergeenkoandre
July 2022
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как решит пример 24х(х+1 ) =4х в квадрате -7
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Sophie155
24x(x+1)=4x²-7
24x²+24x-4x²+7=0
20x²+24x+7=0
D=24²-4*20*7=576-560=16
x1=(-24+4)/40=-0.5
x2=(-24-4)/40=-0.7
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Answers & Comments
24x²+24x-4x²+7=0
20x²+24x+7=0
D=24²-4*20*7=576-560=16
x1=(-24+4)/40=-0.5
x2=(-24-4)/40=-0.7