Предмет: Алгебра, автор: etoya14fff

Склади квадратне рівняння коренями якого є числа х1= -9; х2= -12, А коефіцієнт а= 1.

Срочно!!!

Ответы

Автор ответа: Аноним
0

Ответ: х²+21х+108=0

Объяснение:

(х+9)*(х+12)=0

х²+12х+9х+108=0

х²+21х+108=0

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