Предмет: Алгебра, автор: hdjdjidjej

Составь квадратное уравнение, корнями
Которого являются числа
х1 - 9; х2 = -12, при этом
коэффициент а = 1
= 1.
СРОЧНО ПОЖАЛУЙСТА

mashamustafayeva04: там 9 или минус 9

mashamustafayeva04: я решила использовав 9

hdjdjidjej: там минус 9

mashamustafayeva04: я изменила

Ответы

Автор ответа: mashamustafayeva04

0

x²+21x+108=0.........

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