Предмет: Алгебра, автор: 21ToP12

Решите уравнение и найдите наибольший корень x² + 7x −18 =0 .

Ответы

Автор ответа: aleksandr1799

0

D = 121
x1 = (-7-11)/2 = -9
x2= (-7+11)/2 = 2
наибольший корень 2

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