Предмет: Алгебра, автор: xadinaxd

3х ^2– 12х = 0
2х^2 + 6х = 0
1,8х^2 = 0
х^2 + 9 = 0
(х + 1)(х – 2) = 0
х ^2– 16 = 0
х^2 = 3х
3х^2 + 7 = 12х + 7
х ^2– 4х + 3 = 0
7х^2 – 4 = 0
3х^2 – х + 2 = 0
Х^2 + 6 = 5х

Ответы

Автор ответа: spylae1
0

Ответ:

Объяснение:

1) 0;4

2) 0;-6

3) 0

4) нет решений

5) -1; 2

6) 4; -4

7)0; 3

8) 0; 4

9) 3; 1

10)+- корень из 4/7

11) нет решений

12) 3;2

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