Предмет: Алгебра, автор: artemorloff

корни квадратных трехчленов: х2 + х – 2; -5х2 – 3х + 36

Ответы

Автор ответа: downshiftermad41

1

Ответ:

Объяснение:

x^2+x-2=0

D=9

x1= -2

x2= 1

-5x^2-3x+36=0

D=729

x1=2.4

x2= -3

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