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August 2022
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5х²+9х+4=0 решите плеззз ответ должен получится: -0,8 ;-1
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rebzik
5х^2 + 9x + 4 = 0
D = 81 - 4*4*5 = 81 - 80 = 1; √D = 1
x1 = (- 9 + 1) / 10 = - 0,8
x2 = ( - 9 - 1) /10 = - 1
Ответ: х1 = - 0,8;
х2 = - 1
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кляча
Verified answer
Вот,держи. Вроде так
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Answers & Comments
D = 81 - 4*4*5 = 81 - 80 = 1; √D = 1
x1 = (- 9 + 1) / 10 = - 0,8
x2 = ( - 9 - 1) /10 = - 1
Ответ: х1 = - 0,8;
х2 = - 1
Verified answer
Вот,держи. Вроде так