Предмет: Алгебра, автор: katrinaabc

Решите уравнение
3x в кубе-27x=0

Ответы

Автор ответа: русская25
0
3х³- 27x=0
х(3х²-27)=0
х=0 или 3х²-27=0
             3х²= 27
              x²=9
              x= +-3
Ответ: -3;0:3.
Автор ответа: 032ас
0
вот решение уравнения
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